Hallberg, Josef Henrik, 1874- · New York city, The Moving picture world · leaf 271
t three-fourths of an inch indiameter) is placed in a vertical position in the three-pronged circular fork, near the opening of the jet, and thecombustion of the combined gases on its surface createsa small disk of light of dazzling whiteness. The brilliancyof the rays proceeding from this light is… … Fig. 126 most desirable illumination in halls of moderate size, andis almost indispensable for the largest churches, operahouses and theaters. No other light has ever been pro-duced which will equal it, everything considered, formagic lantern or stereopticon projection. DIRECTIONS FOR THE USE OF…
Motion picture theaters · Electric lighting
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