. The book of photography; practical, theoretical and applied. f— lo: —=? Fig. 5(j.—KisiNG Front Board. Fig. 57.—Sliding Front. back edge, and 1 in. wide ; cover it withvelvet on the near side. It is an advan-tage to the frame towards the centreto allow of central expansion of bellowswhen closed. Proceed by fitting theclamping-rods N (Fig. 59). These consistof a long screw and nut, but the thread oneed only extend about 1 in. p is a cir-cular plate to grip the side rail, Q a washer,and R the thumbscrew or clamping bellows are made according to instruc-tions to be found in anothe
. The book of photography; practical, theoretical and applied. f— lo: —=? Fig. 5(j.—KisiNG Front Board. Fig. 57.—Sliding Front. back edge, and 1 in. wide ; cover it withvelvet on the near side. It is an advan-tage to the frame towards the centreto allow of central expansion of bellowswhen closed. Proceed by fitting theclamping-rods N (Fig. 59). These consistof a long screw and nut, but the thread oneed only extend about 1 in. p is a cir-cular plate to grip the side rail, Q a washer,and R the thumbscrew or clamping bellows are made according to instruc-tions to be found in another chapter, orthey may be obtained ready made. Gluethe front of the bellows to the framework L, Fig. 55, and the back to the frame 58, and put under pressure tillthoroughly dry. The fixed frame, shownin side view by Fig. 60, is prepared 16 3f in. The back frame is fitted withthe pivots to the fixed frame at v, and thewhole is then made up and screwed firmlyto the back of the extension frame. Nowmake the reversing back (Fig. 61) by first. Fig. 58.—Back Frame. Fig. 59.—Framb and Clamp-ing Rods. Fig. 60.—Side View of Fixed Frame. joining up a frame of four pieces, andacross them glue and screw two strips sand T 1| in. by 14 in., with | in. groove atu. A further strip (not illustrated) may befitted across between the two at w to forma stop for the slide. This must all be donein t^j-in. stuff to make the frame exactlyI in. thick when finished. The focussing
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphotography, bookyear
