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![Page 1: 1-STREET LIGHTING HISTORY - CIBSE Heritage Groupfilament lamp naturally led to experiment with metal filaments. Osmium-filament lamps were brought out but failed commercially because](https://reader030.vdocument.in/reader030/viewer/2022040802/5e3b5b4aedfcbf40046c6bbf/html5/thumbnails/1.jpg)
STREET LIGHTING HISTORY
A history of street lighting up to 1930 from “Street Lighting Practice,”
Ward Harrison, O F Haas, & Kirk M Reid, McGraw-Hill, 1930
(CIBSE Heritage Group Collection)
![Page 2: 1-STREET LIGHTING HISTORY - CIBSE Heritage Groupfilament lamp naturally led to experiment with metal filaments. Osmium-filament lamps were brought out but failed commercially because](https://reader030.vdocument.in/reader030/viewer/2022040802/5e3b5b4aedfcbf40046c6bbf/html5/thumbnails/2.jpg)
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STREET LIGHTING HISTORY
A history of street lighting up to 1930 from “Street Lighting Practice,”
Ward Harrison, O F Haas, & Kirk M Reid, McGraw-Hill, 1930
(CIBSE Heritage Group Collection)