Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 389
d. Then everything begins to cool as its heat is radi-ated into space. Objects becoming cool, the air in contact withthem becomes chilled ; its watery vapor condenses, and collectsin tiny liquid drops on their surfaces. But these dew-dropscollect much more abundantly on certain things, such as… … LX. SOME OPTICAL INSTRUMENTS. §314. Compound microscope.—The simple microscopeW!is described on page 355. AVhen it is desired to magnify anobject more than can be done conveniently and with distinct-ness by a single lens, two convex lenses are used,—one (O,Fig. 294) called the object-glass, to form…
Physics
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
