Physical laboratory experiments : mechanics, optics and heat (1917)
Goodwin, H. M. (Harry Manley), 1870- · Boston : G. H. Ellis Co., Printers · leaf 23
f each leg from the axis ofthe screw, and take the mean; r may also be computed bygeometry from the mean distance between the legs of theinstrument, since these form an equilateral triangle. THE OPTICAL MICROMETER. Apparatus.—This instrument is shown in Fig. 7. It con-sists of a simple micrometer… … 20 PHYSICAL LABORATORY EXPERIMENTS for indicating the moment of contact of the end of thescrew with the object. This iseffected as follows: The base ofthe instrument is a plate of planeblack glass, A. On this rests asmall plate of glass, B, the faces ofwhich are approximately plane andparallel. If…
Physics · Mechanics
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
