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Parts of a vernier caliper:1. Outside jaws: used to measure external diameter or width of an

object2. Inside jaws: used to measure internal diameter of an object3. Depth probe: used to measure depths of an object or a hole4. Main scale: scale marked every mm5. Main scale: scale marked in inches and fractions6. Vernier scalegives interpolated measurements to 0.1 mm or better

7. Vernier scalegives interpolated measurements in fractions of aninch

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omputation for the !ernier caliperreading"ain scale # !ernier scale reading23 "" # $.6$"" % 23.6$ ""

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0 10 $0 %0 &0 '0 (0 )0*0 +0 100

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"icrometer aliper

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omputation for the "icrometercaliper reading"ain scale # ircular scale reading5.5 "" # $.27"" % 5.77 ""

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