. The book of photography; practical, theoretical and applied. Fig. 931.—Single Flap Shutter. Fis Fig. 932.—Section of Single Flap Shutter. Fig. —Shutter Flap. Fig. 935.—Catch for Flap, -Back The Metal Flap. For the shutter flap, cut out a squarepiece of tin-plate or brass to fit easilythe square recess in the wood. Thoroughlyclean the metal flap, and dead-black it(see p. 714). Solder a piece of stout brassor tinned iron wire 3 in. long across oneedge of the unblacked side of the flap,leaving about 1 in. projecting over oneside (see Fig. 934) ; bend the projectingend at rig

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. The book of photography; practical, theoretical and applied. Fig. 931.—Single Flap Shutter. Fis Fig. 932.—Section of Single Flap Shutter. Fig. —Shutter Flap. Fig. 935.—Catch for Flap, -Back The Metal Flap. For the shutter flap, cut out a squarepiece of tin-plate or brass to fit easilythe square recess in the wood. Thoroughlyclean the metal flap, and dead-black it(see p. 714). Solder a piece of stout brassor tinned iron wire 3 in. long across oneedge of the unblacked side of the flap,leaving about 1 in. projecting over oneside (see Fig. 934) ; bend the projectingend at right angles at about i in. fromthe flap, slightly inclining it to the frontof the flap, and solder a small lead weightto the end of the bent wiie. A projectingpiece must be attached near the loweredge of the flap for an elastic band to bestretched over. To do this, cut a pieceof thin tinplate | in. by ^ in. along the of the hole, and so prevent the tendencyto rebound when the flap falls. Smallwooden caps, a a (Fig. 931), are glued onso as to keep the w

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphotography, bookyear