Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 231
FI0.2C2.—Anelectrie thermostat. … Fig. 263.—A pneumaticthermostat. THERMOSTATS 221 QUESTIONS 1. A glass stopper stuck in tlie neck oi a bottle may be loosened bysubjecting the neck to fiiction by a string. Explain. 2. Boiler plates are put together with red-hot rivets. What is thereason for this ? 3. Why does a bhicksmith heat a…
Physics
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