The book Physical Laboratory Manual, for Secondary Schools was written by author Adams, Charles Francis, 1835-1915 Here you can read free online of Physical Laboratory Manual, for Secondary Schools book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Physical Laboratory Manual, for Secondary Schools a good or bad book?
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Hence the true temperature is 55.5°. EXERCISE 52 COEFFICIENT OF LINEAR EXPANSION Purpose. — To measure the coefficient of linear exparmon of brass. Apparatus. — A brass tube TT (Fig. 50), resting in a groove in block (7, is fastened firmly to the table by an t ^^± Re % ' _x_ T jcTltos ==;-:^ R. t^ ^^^ ^ -— — - 1 - ** \ M Fig. 50. A iron clamp. The tube presses upon a roller at -B, the roller resting on a piece of ground glass fastened to the block JD, which is also clamped to the t^ble. A wire ...pointer P is soldered to the end of the roller and is counterbalanced by a weight at one end. A pin extends through the tube at A and is held firmly against the block (7 by a strip of brass not shown in tlie figure. Rubber tubes K and L are attached to the ends of the tube TT. A mirror scale is placed at S, When the tube is heated by passing steam through it, it expands toward the right and turns the roller over a little way, moving the pointer over the scale i2iJ. Procedure. — (1) Remove the roller from its place and measure its diameter by a micrometer screw.
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