that if the disk is moved by hand until the in Fig. 5. The yard rule may also be used as a plumb by If the subject requires an impression in several colors, a hooks are over that portion, and is then held by the brake, attaching the string as shown in Fig. 6. Fig. 7 shows the single photographic… … turned down, it forces the clamp plate more firmly against plate, K. By swinging the plate, K, back the trace, O, can STANDING & SWAINE’S TRACE HOLDER AND DETACHER, ment with the hooks. The hooks will thus support the be placed between the clamp’ plate and plate, K, when the arms above the…
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