Laboratory exercises in physics for secondary schools (1902)
Twiss, George Ransom, b. 1863 · New York, London, The Macmillan company · leaf 142
higher re-sistance may be used, or the shunt may be discarded. MICROMETER SCREW CALIPER In one kind of micrometer caliper, the pitch of thescrew (distance between two adjacent threads, meas-ured parallel to the axis) is 1 mm.; and the cir-cumference of the head isdivided by a circular scaleinto one… … 114 LABORATORY EXERCISES IN PHYSICS screw rests against the stop, B (without strain), theedge of the circular scale should coincide with thezero mark of the linear scale, a ; and the zero line ofthe circular sca]e should exactly coincide with thehorizontal reference line. It should be noticed that…
Physics
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