div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page1jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page2jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page3jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page4jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails4jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page5jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails5jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page6jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails6jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page7jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails7jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page8jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails8jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page9jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails9jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page10jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails10jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page11jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails11jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page12jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails12jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page13jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails13jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page14jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails14jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page15jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails15jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page16jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails16jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page17jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails17jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page18jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails18jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page19jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails19jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page20jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails20jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page21jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails21jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page22jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails22jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page23jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=23 data-page=23 class=ts-thumb lazyload alt=Page 23: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails23jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page24jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails24jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=25Page 25button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page25jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=25 data-page=25 class=ts-thumb lazyload alt=Page 25: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails25jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=26Page 26button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page26jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=26 data-page=26 class=ts-thumb lazyload alt=Page 26: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails26jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page27jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=27 data-page=27 class=ts-thumb lazyload alt=Page 27: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails27jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=28Page 28button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page28jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=28 data-page=28 class=ts-thumb lazyload alt=Page 28: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails28jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=29Page 29button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page29jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=29 data-page=29 class=ts-thumb lazyload alt=Page 29: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails29jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=30Page 30button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page30jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=30 data-page=30 class=ts-thumb lazyload alt=Page 30: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails30jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=31Page 31button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page31jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=31 data-page=31 class=ts-thumb lazyload alt=Page 31: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails31jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=32Page 32button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page32jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=32 data-page=32 class=ts-thumb lazyload alt=Page 32: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails32jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=33Page 33button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page33jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=33 data-page=33 class=ts-thumb lazyload alt=Page 33: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails33jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=34Page 34button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page34jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=34 data-page=34 class=ts-thumb lazyload alt=Page 34: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails34jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=35Page 35button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page35jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=35 data-page=35 class=ts-thumb lazyload alt=Page 35: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails35jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=36Page 36button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page36jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=36 data-page=36 class=ts-thumb lazyload alt=Page 36: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails36jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=37Page 37button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5page37jpg target=_blank img data-url=04a-craft-1923-compress-ulisboa-soon-became-evident-that-the-requirements-of-thehtmlpage=37 data-page=37 class=ts-thumb lazyload alt=Page 37: 04a-Craft-1923-compress - ULisboa · It soon became evident that the requirements of the telephone exchange service demanded and the trunking system Fig 4—Diagram Showing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220307105af982fc7f8b9a19548cb9e3html5thumbnails37jpg width=140 height=200 adivdiv
