Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 216
dle is removed until the drop inthe tube ceases to move. It is then replaced. In a veryshort time the drop will be pushed outward by the expan- * The tone to be expected from the gas or vapor when acted on by radiantheat may be determined by blowing through a tube against the aperturedportion of… … Reflection of Heat. in the focus of the reflector, A. Immediately the air con-tracts in the thermometer and draws the drop in. Each ofthe two bodies is radiating, and receiving heat radiated fromthe other. But the ice radiates less than the bulb; hencethe bulb gives out more than it receives, and…
Physics · Lantern projection · Electric apparatus and appliances
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-22-3.webp)
