raud, soon as the needle-valve the photograph is being plug is raised, the wick be- admitted in courts of jus- comes saturated and acet- tice as evidence more ex- ylene gas commences to tensively each year. generate. To put out the Finding by experience light the needle-valve is that a well-taken,… … ditions possible with an allier of the Order of In- Fig. 3.—The Jupiter Searchlight. Fig. 4.-The Ducellier Searchlight. ordinary lantern, since it dustrial Merit. ACETYLENE SEARCHLIGHTS FOR AUTOMOBILES. utilizes the lens system of ) 1902 SCIENTIFIC AMERICAN, INC.
Lens · Motor · Airship · Apparatus · Carbide · Gas engine · Scientific American · Compressed air · Alternating current · Horse power · Years ago · Constant speed · High potential · Zinc plate · American november
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