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on March 30, 2020
MEASURING INSTRUMENT GO BACK
MICROMETER SCREW GAUGE
The main scale and the vernier scale readings are added together to form the main readings
Main scale = 7mm, vernier scale = 0.38mm .The reading is 7.38mm
Main scale = 3mm, vernier scale = 0.09mmThe reading is 3.09mm
Micrometer screw gauge is used for certain measurement such as diameter of a wire, thickness of nylon and paper , diameter of small ball.
The acuracy of this instrument is 0.01mm = 0.001cm
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micrometer screw gauge