Projection engineering (Sept 1929-Nov 1930)

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Projection Engineering, May, 1930 Page 5 Both portable and permanent type We Build Them About 22 years ago the first asbestos booth was built as an experiment by the Johns-Manville Company in their old building at 100 Williams Street, New York City. The workmanship was all done by hand, using a hack saw to cut the angle iron and a hand drill for drilling. This work was done by the shipping room crew in the basement of the building. Crude as it might have been, it was approved by the New York Fire Department, also the Building Department. As the motion picture industry was just beginning to get under way, it became necessary for the Johns-Manville Company to have this work done by iron workers, who were furnished with the asbestos boards to complete the booths. For the past two years these booths have been built by the Blue Seal Products Company. We have installed all the necessary machinery for cutting transite board, and equipment for cutting and bending angle iron, and have a floor space large enough to build many booths at one time. These booths are erected on the shop floor and panels marked before shipment is made to the theatres. PORTABLE AND PERMANENT Fire -Proof Projection Rooms These booths are Fire-proof film storage vault built made of %" thick £>r the Brooklyn Museum N Y '?., , Capacity one-half million feet of transite with angle film Lined with two-inch thick iron 1%" x 1^" Rock -Wool insulating material x 3/16". The to keep interior cool under all panels are inter conditions, changeable and bolted together with stove bolts. The seams are filled with transite cement. The floor sheets are y%" thick asbestos. The Underwriters throughout the country have approved these booths, as well as the fire and building departments of all cities. Blue Seal Products Co., Inc. 260 Wyckoff St., Distributor for Johns-Mansville Asbestos Products, of Motion Picture Accessories since Also Manufacturer 1913 BROOKLYN, N. Y.