The Photo-Miniature Volume 12, Nos. 139-144

The Photo-Miniature Volume 12, Nos. 139-144

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 edition. Excerpt: ...a sharp focus of the original, use a sharply printed letter or figure, such as is produced by copper-plate printing upon white paper or bristol-board. This is attached to the original to be copied by means of a pin, and the sharply cut letter will form a convenient focusing guide in all the subsequent operations. Any similar device which will give a figure permitting convenient and sharp focusing will serve. Having obtained the miniature negaPrinting ve desired, we now prepare a number of such negatives for printing. The printing-frames used for this purpose are 4x5. Two pieces of orange-colored paper are cut to the size of the negative, and inscribed with a circle made with a compass and lead-pencil, to a size slightly less in diameter than the watch-cap or dial to which the photograph is eventually to be transferred. This mask is to be fitted upon the face, or film side, of the negative. Now cut out another circular mask, a little smaller in diameter than the first. This must be fitted upon the front, or glass side, of the negative. The object of these two masks is to produce a "safe edge" to hold the carbon image to the metal of the watch-cap, or to the face of the dial, during development. A touch of paste at each corner of the masks will hold them in position. The negative is now placed at the jfcSn center of a clean 4 x S 8lass plate, and held in position by two strips of gummed paper at the top and bottom opposite corners. The plate is turned over, placed in a retouching desk, and stumped so as to form a vignette. This stumping is done by cutting half-way down a smaller circular or flat bristle brush, dipping it into moistened opaque, and pressing this end on to the glass, so as to form a rugged-edged oval, which more

Product details

  • Paperback | 138 pages
  • 189 x 246 x 8mm | 259g
  • United States
  • English
  • black & white illustrations
  • 1236859901
  • 9781236859907