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2019-04-22View Original

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What do the circled numbers on the picture refer to? How did you get it?
Reply #22019-04-22
The auxiliary ruler 39mm is divided into 20 parts, and the main ruler 40mm is divided into 20 parts. Each part is 1.95 and 2mm respectively.
Reply #32019-04-22
Is it greater than and closest to the main ruler reading of 1.95?
Reply #42019-04-23
Understand the principle of vernier caliper,
Reply #52019-04-25
The bubble super version is right, the picture should be on page 98

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