Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 123
ocker is able to communicate sufficient heat to the carrieron which it rests. The vibrations can be rendered quicker 08 HEAT A MODE OF MOTION. ran. it. by using a rocker with a wider groove. Placing such arocker upon the lead, as before, it fills the room with aclear full note. Its taps are… … with its lead carrier, a nipple suddenly juts from thelatter, being produced by the heat communicated to thelead at the point of contact. The rocker is thus tiltedup. Some other point of it comes immediately intocontact with the lead, a fresh nipple is formed, and therocker is again tilted. Let a b…
Heat
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