00503nam a2200169Ia 4500003000900000008004100009040001600050080001500066100001900081245005100100260003600151300001000187490008100197650001200278650002700290650001600317IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a771.5bSHE  aSheppard, S.E. 0aGelatin in photographybvol. 1cS. E. Sheppard  aNew YorkbD. Van Nostrandc1923  a263p.  aMonographs on the theory of photography from the Kodak research laboratories  aGelatin  aPhotographic Emulsions  aPhotography