. The book of photography; practical, theoretical and applied. slidingpiece can be fixed. Fine adjustment mustbe made with the ordinary camera, usedin conjunction with the enlarging appara-tus. When not in use, c is pushed backover B as far as it will go, the catch Gturned, and B brought up so as to be par-allel with the back. When this is the casethe upright pieces F P will touch the backat their ends, where they can be held bjsmall hooks fixed in the back and catch-ing in eyes fixed near the upper ends ofthe upright pieces. The camera then ispacked away to occupy little space. CAMERAS AND AC
. The book of photography; practical, theoretical and applied. slidingpiece can be fixed. Fine adjustment mustbe made with the ordinary camera, usedin conjunction with the enlarging appara-tus. When not in use, c is pushed backover B as far as it will go, the catch Gturned, and B brought up so as to be par-allel with the back. When this is the casethe upright pieces F P will touch the backat their ends, where they can be held bjsmall hooks fixed in the back and catch-ing in eyes fixed near the upper ends ofthe upright pieces. The camera then ispacked away to occupy little space. CAMERAS AND ACCESSORIES. 43 The Dark complete the apparatus, a focussingscreen and some form of dark slide arerequired. Perhaps the simplest form ofslide which can be used either for glassor paper is made as follows. Cut a pieceof wood to form the back 10 in. by 8 as just to fit the camera back. In themiddle of this a short piece of watch-spring is fixed by one end. Glue down thesides, and along the bottom of this back(b, Fig. 73) strips of wood about | Fig. 74.—Stereoscopic Field Camera, withRoller Blind Shutter. side pieces. In the middle of this mustbe fixed a small catch to hold the platewhen in the slide. The catch must besunk so as not to be above the level of thewood, and must be able to be turned. Tokeep the plate in position at the bottom,two wires about 1 in. long (pins with theheads broken off will do) are driven intothe wood across the angles just below thegrooves. The shutter s should be tonguedso as to slide in the grooves. Should itbe so desired, the shutter may be cut acrossand hinged by means of a light-tight hingeof cloth or other material at | in. from thebottom. When enlarging on paper, thiscan be fastened to a piece of thin wood84 in. by 65 in. by means of smallpins, and then placed in the slidejust as a glass plate. The slideis held in position by small pinsin the camera back. The Focussing Screen. A focussing screen for the en-larging camera is ma
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphotography, bookyear
