00481nam a2200181Ia 4500003000900000008004100009040001600050080001500066100002400081245005500105260003400160300000900194490002200203650001200225650001900237650002700256650001600283IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a771.5bCRO  aCroome, Ronald John 0aPhotographic GelatincR. J. Croome and F. G. Clegg  aLondonbThe Focal Pressc1965  a91p.  aThe Focal Library  aGelatin  aNASA Thesaurus  aPhotographic Emulsions  aPhotography