We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.
Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.
156 Transodions of S.M.P.E., March 1926
to mordant basic dyes by treating it with an alkaline solution. J. Leidsohn, U. S. No. 1,126,495. Jan. 26, 1915. Filed Apr. 3,
1914
Claim 3: A method for producing prints having a plurality of color effects, which consists in forming a blue print, substituting for the blue of the image a different color, coating the so-formed image with a blue print sensitizer, making another blue print, substituting for the blue of the image a color different from the blue and first different color used, coating the so-formed image with a blue print sensitizer and forming a blue image thereon. J. Lewisohn, U. S. No. 1,071,559. Aug. 26, 1913 J. I. Crahtree, U. S. No. 1,305,962. Filed Jan. 25, 1917
Claim: The method of producing a color photographic image consisting in copper-toning a silver image and subjecting it to a bath of soluble dj^e capable of being selectivel}^ mordanted by the copper image.
F. E. Ives, U. S. No. 1,300,616. Filed Feb. 20, 1917 Similar claim to above for copper mordanting.
CLASS 3
Division B — Methods of producing dye images by treating the gelatine so that it ivill ahsorh dyes selectively. John G. Capstaff, U. S. No. 1,315,464. Sept. 9, 1919. Filed
Feb. 14, 1918
Claim 2: The method of preparing for a dyeing operation a gelatine light-sensitive film, which contains a photographic image, which consists in bleaching the silver image and rendering the gelatine differentially permeable to dye, according to the light gradations recorded in the film, the more permeable portions being immediately adjacent the light affected portions of the image. John G. Capstaff, U. S. No. 1,525,766. Feb. 10, 1925. Filed
July 12, 1922
Claim 3: The process of making a colored image that comprises exposing a colloid layer containing a sensitive silver salt to light, developing in said layer a silver image by the agency of a developer that does not render the colloid insoluble, and developing the hitherto undeveloped portions by the agency of a developer that renders the gelatine insoluble, washing off the soluble gelatine, thus leaving a relief image, and dyeing the relief image.