File:The American annual of photography (1919) (14802657453).jpg

Identifier: americanannualof3334newy (find matches)
Title: The American annual of photography
Year: 1919 (1910s)
Authors:
Subjects: Photography
Publisher: New York : Tennant and Ward
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

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THE DESERTED MILL. JOHN M. WHITEHEAD. 203 tack half way in. This is used for attaching a fine wire whichacts as a fuse to ignite the powder. The wire should be No. 33 or No. 36 bright iron such as flor-ists use in stemming flowers. Of course the smaller the wirethe lower the resistance. After stretching the wire place under-neath flash-cap such as is used in toy pistols. The fine wireheating to the burning point when the connections are madecauses instant explosion of the flash powder. The adjustable holder which is shown under the pan is madeof a piece of ^ in. angle iron about 4 in. long. Cut this with ahack-saw to 2 in. from top, and cut away one side of the angle,leaving a flat piece to be bent at right angle. This forms the
Text Appearing After Image:
Figure I. top of the holder. Drill a hole to take a 3/16 in. machine screwy^ in. from the end. Fasten the wood pan with a bolt with thehead on the top of the pan, using a flat head machine screwabout i^ in. long, and 3/16 in. diameter. Make this a verysnug fit. The lower half of the angle iron is used to fasten to a musicstand. Cut a slot on one side of the angle two inches from theend, yi in. deep, and full 3/16 in. wide, and a hole for a 3/16in. machine screw on the opposite side in line with the slot.Next secure a 3/16 in. machine screw about 2 in. long and bendit at right angle J^ in. from the head end. The head can be left 204

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