The optical lantern, for instruction and amusement (1890)
Pringle, Andrew · New York, The Scovill & Adams Company · leaf 47
the greatest total of light is given off, and the light is apt to be red in tint. The same gases are used in the mixing- jet, but both gases are usually under high pressure, and they are mixed in a chamber before they emerge from the nipple where they are lighted. The reason for the nomenclature is… … Fig. 22. made by Mr. Place, of Birmingham, England, at a cheap rate. A. is the mixing chamber. In order that we may obtain the very best results certain principles must be attended to in the construction of all kinds of jets where the gases are under pressure, however low. In the gas-way there…
Lantern projection
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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