Laboratory exercises in physics for secondary schools (1906)
Twiss, George Ransom, b. 1863 · Chicago, Scott, Foresman and company · leaf 235
nds. If the end divisionsare rejected do not forget to take account of it in adding upthe units of length for the final result. In measuring a quantity,a series of measurements is usually taken; and the individualmeasurements and their mean should be tabulated. (Cf. Ap-pendix A Art. 2.) 2. Use of… … Fig. 46. placed as Bhown, the part of it included between these planesis parallel to the diameter and hence equal to it (parallel linesincluded between parallel planes are equal . Sigh! alongthe scale divisions to avoid parallax. or Calipers. By tapping lightly on the inner orthe outer edge of…
Physics
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