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… … the thickness of the trace. When the cam lever, N, is turned down, it forces the clamp plate more firmly against COFFMAN'S CUBBENT WHEEL. plate, K. By swinging the plate, K, back the trace, O, can STANDING & SWAINE'S TBACE HOLDEB AND DETACHEB. ment with the hooks. The hooks will thus support the be…
Patents · Iron · Apparatus · Patented · Scientific American · Arc · Sir frederick · Plate lever · Electric light · Square root · Silicious bronze · Sole manufacturers · Years ago · Address munn · Induced currents
Internet Archive · Public domain (published before 1931). Free to use for anything.
