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The history of three-color photography (1925)

Page scan 000319 from The history of three-color photography

Record Details:

Title:
The history of three-color photography
Date:
1925
Publisher:
Boston : American Photographic Publishing Company
Volume:
The history of three-color photography
Leaf #:
000319
Language:
English
Subjects:
Motion Pictures, Motion pictures--Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Date Added:
May 08, 2025
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Desensitizing Plates 303 yellow. Acridin yellow, auramin, auracin, benzoflavin, etc., are the protective dyes. An excellent desensitizer is : Rhodulin violet 0.06 g. Acridin yellow 0.01 g. Water 1000 ccs. Methylen blue 1 : 1,000,000 gives intense fog, but if mixed with acridin yellow works perfectly clean ; a suitable strength being : Methylen blue' 0.005 g. Acridin yellow 0.02 g. Water 1000 ccs. The above concentrations must be strictly adhered to, as variations cause fog. 1. Phot. Coul. 1908, 2, 1; Brit. J. Phot. 1908, 55, Col. Phot. Supp. 2, 9; Bull. Soc. frang. Phot. 1908, 50, 36; Jahrbuch, 1910, 24, 376. Also recommended by G. Balagny, Bull. Soc. frang. Phot. 1908, 50, 55; Anon, Phot. Chron. 1916, 23, 228; abst. C. A. 1917, 11, 1093, stated that the fact that panchromatic plates can be developed by red light in an acid amidol developer is attributable to a considerable general reduction of sensitiveness, and not to destruction of the sensitizer. 2. Bull. Soc. frang. Phot. 1908, 54, 258; Photo-Rev. 1908, 20, 104; Brit. J. Phot. 1908, 55, Col. Phot. Supp. 2, 53; Brit. J. Almanac, 1909, 652; Phot. Coul. 1908, 3, 191. 3. Brit. J. Phot. 1908, 55, Col. Phot. Supp. 2, 80; Photography, 1909, 272. 4. D.R.P. 209,937, 1908; Phot. Ind. 1909, 845; Chem. Ztg. Rep. 1909, 348; Brit. J. Phot. 1909, 56, 546; Jahrbuch, 1910, 24, 375. H. W. Vogel had pointed out that cyanin was destroyed by an acid ferrous oxalate developer. 5. Phot. Chron. 1908. 15, 383 ; Das Atel. 1910, 12, 1 ; Brit. J. Phot. 1908, 55, 617; 1910, 57, 61; Brit. J. Almanac, 1909, 572; Photo-Rev. 1908, 20, 165; Phot. Coul. 1908, 3, 256. Cf. E. Stenger and F. Leiber, Das Atel, 1909, 11, 19; Jahrbuch, 1910, 24, 376. 6. Phot. Korr. 1902, 48, 214. 7. Phot. Korr. 1903, 49, 359; Beitrage, III, 162. Cf. E. J. Wall, Phot. J. 1907, 47, 283. F. Dillaye, Bull. Soc. frang. Phot. 1912, 54, 68; abst. C. A. 1912, 6, 1102 suggested immersing Autochrome plates for 2 minutes in a 1 per cent solution of potassium bromide plus 2 per cent acid sulfite lye, then rinsing and developing as usual. 8. Jahrbuch, 1897, 11, 379. 9. Phot. J. 1907, 47, 284. 10. E.P. 28,598, 1911; Brit. J. Phot. 1913, 60, 30; Jahrbuch, 1913, 27, 290; abst. C. A. 1913, 7, 1847. 11. U.S.P. 1,356,236, 1920; abst. C. A. 1921, 15, 35; Phot. Absts. 1921. 1, 74. The use of potassium ferrocyanide for this purpose was described by R. Hunt in 1844 12. U.S.P. 1,361,352, 1920; abst. C. A. 1921, 15, 477. 13. Brit. J. Phot. 1913, 60, 224; abst. ibid. 1916, 63, 506. 14. E.P. 11,420, 1898; Brit. J. Phot. 1898, 45, 599; 1899, 46, 347; abst. J. S. C. I. 1898, 17, 632; 1899, 18, 548, 608; D.R.P. 111,463; Silbermann, 1,48; Chem. Zentr. 1900, 71, II, 605; Chem. Ztg. 1900. 24, 445; Jahr. Chem. 1900, 53, 60; Mon. Sci. 1901, 101; Compt. rend. 1898, 126, 1500; Bull. Soc. frang. Phot. 1898, 40, 429, 521; Wien. Mitt. 1898; Jahrbuch, 1899, 13, 320. 15. Jahrbuch, 1899, 13, 320. 16. Phot. Korr. 1901, 47, 422; 1902. 48, 9; Phot. Almanach, 1902, 76; Handbuch, 1905, 3, 455; Jahrbuch, 1902, 16, 440. G. Mareschal, Phot. Rund. 1910, 46, 27, pointed out that the lowering of the sensitiveness was not caused by the chemicals of the developer, since an unexposed Autochrome plate, which had been by accident treated for \y2 minutes with a metolhydroquinon developer, and then washed and dried had retained its original sensitiveness. 17. Bull. Soc. frang. Phot. 1907, 49, 264; Phot. Rund. 1907, 43, 220; Jahrbuch, 1908, 22, 494; Brit. J. Phot. 1907, 54, 632.