The Maxim Electric Light and Power Co., Philadelphia. . Cat-off Boi (oj. Cut-off Box (cto i m.: THE UNITED STATES ELECTRIC LIGHTING CO. 17 improvements in the processes of manufacture, by which we are enabled to furnish usersof our apparatus with carbons superior in purity, density, and uniformity of structure,to any others in the market. PROJECTORS FOR STEAM-BOATS AND STEAM-SHIPS. ^HE cuts below show projectors for use on steam-boats and steam-ships. 1 The Ocean Projector consists of a parabolic reflector mounted upon trunnions and a swivel in such a manner that it can be readily turned in an
The Maxim Electric Light and Power Co., Philadelphia. . Cat-off Boi (oj. Cut-off Box (cto i m.: THE UNITED STATES ELECTRIC LIGHTING CO. 17 improvements in the processes of manufacture, by which we are enabled to furnish usersof our apparatus with carbons superior in purity, density, and uniformity of structure,to any others in the market. PROJECTORS FOR STEAM-BOATS AND STEAM-SHIPS. ^HE cuts below show projectors for use on steam-boats and steam-ships. 1 The Ocean Projector consists of a parabolic reflector mounted upon trunnions and a swivel in such a manner that it can be readily turned in any direction, either horizontally or vertically. It is fitted with a powerful focusing lamp, and projects a very intense beam of light for a long distance. This has been in use for a long
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1882
