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562 History of Three-Color Photography
available chlorine was obtained in the solution. The paper, after this treatment, was to be exposed whilst still damp under the colored original or Autochrome. The bleaching action took place readily and the print was fixed by destroying the sensitizer by a reducing agent, such as sodium sulfite, bisulfite or ammonia, or as alternative to the latter, the paper might be fumed with ammonia.
1. Brit. J. Phot. 1907, 54, Col. Phot. Supp. 1, 49; Phot. Coul. 1907. 2, 149. Cf. Mees and Pledge, Brit. J. Phot. 1907, 54, Col. Phot. Supp. 1, 75.
2. Brit. J. Phot. 1907, 54, Col. Phot. Supp. 1, 81; Phot. Coul. 1907, 2, 181. L. Gimpel, Bull. Soc. frang. Phot. 1908; Brit. J. Phot. 55, Col. Phot. Supp. 2, 61 confirmed Piper's conclusions. R. Child Bayley, Photography, 1907, 369; Brit. J. Phot. 1907, 54, 831 ; Bull. Soc. franc. Phot. 1909, 56, 325 stated that he had obtained duplicates that were as good as the originals. Cf. Anon. Brit. J. Phot.
1907, 54, 858.
3. Zeits. Repro. 1908; Brit. J. Phot. 1908, 55, Col. Phot. Supp. 2, 30, 69. Cf. Von Hubl, ibid. 82, 93; Wien. Mitt. 1912, 609. W. Scheffer, Phot. Rund.
1908, 11, 52. The form of the silver deposit depends on the angle at which one set of lines crosses the others. The areas are rectangular only when the crossing lines are at right angles. Phot. Chron. 1908, 15, 193; Zeits. Repro. 1908; Brit. J. Phot. 1908, 55, Col. Phot. Supp. 2, 76; Das Atel. 1908, 15, 18, 97, 107, 122; Jahrbuch, 1909, 23, 315.
4. Rev. Trimestrielle, 1910, 13, 24; Bull. Soc. frang. Phot. 1909, 51, 457; Penrose's Annual, 1909, 15, 149; Brit. J. Phot. 1910, 57, Col. Phot. Supp. 4, 1; Phot. Mitt. 1910, 47, 22; Photographic 1910, 17. Cf. A. Villain, Photo-Rev. 1910; Brit. J. Phot. 1910, 57, Col. Phot. Supp. 4, 27. L. Gimpel, Photo-Rev. 1908, 20, 80. C. Konig, Brit. J. Phot. 1910, 57, Col. Phot. Supp. 4, 67. E. Konig, Phot. Korr. 1910, 47, 115. G. Winter, Brit. J. Phot. 1910, 57, Col. Phot. Supp. 4, 75.
5. Wien. Mitt. 1910; Brit. J. Phot. 1910, 57, Col. Phot. Supp. 4, 59. Cf. Wien. Mitt. 1912, 609; Phot. Rund. 1913, 50, 81.
6. Brit. J. Phot. 1908, 55, Col. Phot. Supp. 2, 34; Phot. Coul. 1908, 3, 137, Das Atel. 1911, 18, 96, 107, 122; abst. C. A. 1912, 6, 459; Chem. Ztg. Rep. 1911, 132; Jahrbuch, 1912, 26, 371. Cf. L. Didier (p. 423), as to the use of pinachromy for printing from screen-plates.
7. Phot. Korr. 1910, 47, 584; Jahrbuch, 1911, 25, 633.
E. Cousin, Brit. J. Phot. 1913, 60, 330; 1914, 61, Col. Phot. Supp. 8, 7; Phot. Mitt. 1913, 50, 373 detailed experiments with arc lights.
8. Phot. Coul. 1908; Brit. J. Phot. 1908, 55, Col. Phot. Supp. 2, 35; 1910, 4, 8. Cf. H. Bouree, Photo-Rev. 1909, 21, 130. E. Grills, Brit. J. Phot. 1907, 54,
764. On making enlarged negatives from Autochromes see Brit. J. Phot. 1913, 60, Col. Phot. Supp. 7, 44.
9. Brit. J. Phot. 1909, 56, Col. Phot. Supp. 3, 33 ; Phot. Coul. 1909, 4, 29. Cf. J. V. Alteneder, Amer. Phot. Annual, 1911, 25, 128; Brit. J. Phot. 1911,
58, Col. Phot. Supp. 5, 7. L. Gimpel, ibid. 5, 53; Bull. Soc. frang. Phot. 1912, 26, 121.
10. Brit. J. Phot. 1914, 61, Col. Phot. Supp. 8, 3, 10; ibid. 1918, 65, ibid. 12, 15; Camera Craft, 1914, 21, 407; abst. C. A. 1914, 8, 1923. Cf. F. Dillaye, Les Nouveautes Phot. 1910, 122. A. Le Mee, Brit. J. Phot. 1911, 58, Col. Phot. Supp. 5, 30.
11. Phot. J. 1919, 59, 88; Brit. J. Phot. 1919, 66, Col. Phot. Supp. 12, 15, 18; Annual Repts. 1919, 4, 512; Camera Craft, 1919, 26, 201; Amat. Phot. 1919, 47, 200, 359. Cf. E. Coustet, Brit. J. Phot. 1911, 58, Col. Phot. Supp. 5, 28. J. R. Fuller, Brit. J. Phot. 1924, 71, Col. Phot. Supp. 18, 2.
12. Penrose's Annual, 1916, 21, 87; Brit. J. Phot. 1915, 62, Col. Phot. Supp. 9, 2; 1916, 63, ibid. 10, 4, 7. Cf. W. A. Heydecker, Bull. Soc. frang. Phot. 1914, 56, 172.
13. Phot. Coul. 1908; Brit. J. Phot. 1908, 55, 97.
14. Bull. Soc. frang. Phot. 1908, 50, 317; 1923, 65, 23; Amer. Phot. 1923, 17, 495; Brit. J. Phot. 1908, 55, Col. Phot. Supp. 2, 61; 1910, 4, 75; Photo-Gaz. 1908, 18, 222.
15. Brit. J. Phot. 1909, 56, Col. Phot. Supp. 3, 71. Cf. Penrose's Annual, 1910, 15, 161; 1911, 16, 12; Brit. J. Phot. 1911, 58, Col. Phot. Supp. 5, 3.
16. Phot. Coul. 1909, 4, 153; Brit. J. Phot. 1909, 56, Col. Phot. Supp. 3, 78.