00405nam a22001457a 4500008004100000040005500041080001700096245003300113250001200146260003300158300001000191650001500201653002000216700002300236230331b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 77(02)bJ8  aIlford manual of photography  a5th ed.  aIlford: bIlford ltd, c1958  a725p.  aPhotograph  aImage formation  aHorder, Alan (Ed.)