000			00277nam a2200133Ia 4500
654			_aGEN
100			_aAbney.W.W.
250			_a1st Ed.
245			_aTreatise On Photography.(1918).
260			_bLGC _c1972
082			_bABN _a24G-785
300			_a425p.
999			_c5342 _d5342
041			_aeng
546			_aText in English
300			_c22 cm.