A Student's Manual of a Laboratory Course in Physical Measurements
A Student's Manual of a Laboratory Course in Physical Measurements
Sabine, Wallace Clement, 1868-1919
The book A Student's Manual of a Laboratory Course in Physical Measurements was written by author Sabine, Wallace Clement, 1868-1919 Here you can read free online of A Student's Manual of a Laboratory Course in Physical Measurements book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Student's Manual of a Laboratory Course in Physical Measurements a good or bad book?
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The observer Y stirs the water and notes the temperature at each passage of the zero of the counting wheel past the index ; each passage of the zero after the first corresponds to 100 revolutions of the spindle. He gives a signal at each passage of the zero and X notes the time by aid of a watch. After Y has recorded the temperature upon a sheet of paper previously ruled for the purpose, he also records the time observed by X; unless these observations are methodically recorded, an error of 100... or 200 revolutions is quite probable. Digitized by Google 36 . LABORATORY PHYSICS Very accurate readings of these temperatures and times are diffi- cult to make and are not necessary. It will be found that the time occupied by 100 revolutions of the spindle diminishes as the tem- perature rises ; this effect is due to the diminution of the viscosity of the oil between the cones, consequent upon the rise of tempera- ture. When M is 200 g. the temperature will rise about 1° ('. for each 100 revolutions of the spindle in the case of the Joulers supplied by us.
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