Abney, William de Wiveleslie, Sir, 1843-1920, author · London : Piper & Carter · leaf 34
o the ether. That of a specific gravity of *730 is generally employed, and if it he, an alcohol of low specific gravity should he employed, such as *812 ; whereas if the ether have a specific gravity of *720, a specific gravity of *820 for the alcohol is allowable. A Liebig’s condenser is a very… … The condenser consists of two parts : first, a straight glass tube (6), bent at the ends, to which the flask is attached ; and second, a jacket (c) surrounding the hulk of the tube as shown in the figure. The jacket has two short tubes ( d and e ) connected with it, d being that through which the…
Photography · Photographic emulsions
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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