A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 41
alculated values of the sine, cosine andtangent. Take the mean of these values and compare it with the valuefound by means of the protractor. (b) Draw any triangle. Measure its three angles by means of theprotractor. Verify the proposition that the sum of the three angles of anytriangle is equal to… … FIG. 15.—Vernier calipers. screw by means of which the sliding piece may be moved slowlyalong the bar. The article to be measured is placed between thejaws of the calipers, and the sliding piece is brought into contactwith it so as to nip it gently. In nutric calipers the scale shows centimetres,…
Physics
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