Photography books can be found in the TR section of the library:
TR1-1050 Photography
TR250-265 Cameras
TR287-500 Photographic processing. Darkroom technique
TR504-508 Transparencies. Diapositives
TR510-545 Color photography
TR550-581 Studio and laboratory
TR590-620 Lighting
TR624-835 Applied photography (Including artistic, commercial, medical photography, photocopying processes)
TR845-899 Cinematography. Motion pictures
TR925-1050 Photomechanical processes