Motion picture handbook; a guide for managers and operators of motion picture theatres ([c1916])

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FOR MANAGERS AND OPERATORS 685 clamp, Fig. 318, out of a heavy piece of sheet metal or tin. Bend this metal band into shape so it will act as a sort of shield and then push it down over the pastil and holder. I would rec SOf7 Wf ommend that new pastils be treated in this manner. It protects the pastil from damage and is worth while merely as a matter of protection. By its use you will be enabled to turn off the gas without being so careful about it. The heat will burn off the wire as fast as the pencil is consumed, so that all one needs to do is to smooth the surface of the pencil occasionally with a piece of No. 00 sandpaper. The S. A. Bliss OxyHydro-Cet.— S. A. Bliss, Peoria, 111., has perfected a limelight which many operators commend highly. It con ffsacsros w/c/,/n/?. • Figure 318. sists of commercial oxygen, the same as is ordinarily used, and a substitute for straight hydrogen, consisting of hydrogen combined with gas from calcium carbide, and gasoline vapor. A specially constructed burner is supplied by the Bliss Company. By this process it is claimed that back firing, popping and snapping is entirely eliminated. The apparatus consists of a hydro-cet generator and a special burner. Oxygen may be generated from "oxone" in the usual way or purchased in tanks. Full directions accompany the outfit. The light produced is more brilliant than that produced by the ordinary oxygen-hydrogen gas. It may be used either with lime or guil pastil. I am informed that Mr. Bliss has secured a special price of 2 cents per cubic foot on oxygen gas to be supplied to his customers. This price is made by a large firm having plants in thirty-three of the largest cities in the United State.-:. Ozo-Carbi.— This light (Patents 393,737 and 724,416) is