A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 490
. The truth of all these laws has been es-tablished by careful experiment, and thesecond is still further verified by math-ematical calculations. 1123. Radiant heat is transmitted ina vacutim as ivell as in air. This is demon-strated by the following experiment: In the top of a glass flask a… … Fig. sir. and a vacuum produced in the interior. This being 4GG HEAT. accomplished, the tube is sealed at the narrow part. Onimmersing in hot water, or on bringing the flask near somehot charcoal, the mercury is seen to rise at once. It canrise only by reason of the radiation through the vacuum…
Electrical engineering · Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
