A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 455
r. Whenthe bulb is re-leased, the Fig. 199. flows back into it; the pressure upon the water is re-moved, the air within the image ex-pands ; the image, again becominglighter than water, rises to the topof the jar. 1073. Heros Fountain.—He-ros fountain derives its name fromits inventor. Hero, who…
Electrical engineering · Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
