▁used ▁in ▁green h ouses ▁and ▁cold ▁frames . ▁In ▁the ▁years ▁that ▁followed ▁the ▁end ▁of ▁the ▁war , ▁the ▁sun ▁slowly ▁burn ed ▁away ▁their ▁fil my ▁images ▁and ▁they ▁were ▁lost . ▁ ▁Ex hib itions ▁On ▁September ▁ 1 9 , ▁ 1 8 6 2 , ▁two ▁days ▁after ▁the ▁Battle ▁of ▁Anti et am , ▁the ▁blood iest ▁day ▁of ▁combat ▁on ▁U . S . ▁soil ▁with ▁more ▁than ▁ 2 3 , 0 0 0 ▁killed , ▁wounded ▁or ▁missing , ▁Mat hew ▁Br ady ▁sent ▁photograph er ▁Alexander ▁Gard ner ▁and ▁his ▁assistant ▁James ▁Gib son ▁to ▁photograph ▁the ▁car n age . ▁In ▁October ▁ 1 8 6 2 , ▁Br ady ▁displayed ▁the ▁photos ▁by ▁Gard ner ▁at ▁Br ady ' s ▁New ▁York ▁gallery ▁under ▁the ▁title ▁" The ▁Dead ▁of ▁Anti et am ." ▁The ▁New ▁York ▁Times ▁published ▁a ▁review . ▁ ▁In ▁October ▁ 2 0 1 2 , ▁the ▁National ▁Museum ▁of ▁Civil ▁War ▁Medicine ▁displayed ▁ 2 1 ▁original ▁Mat hew ▁Br ady ▁photograph s ▁from ▁ 1 8 6 2 ▁document ing ▁the ▁Civil ▁War ' s ▁Battle ▁of ▁Anti et am . ▁ ▁Gallery ▁and ▁related ▁images ▁ ▁See ▁also ▁▁ 3 5 9 ▁Broadway ▁ ▁Br ady ' s ▁studio ▁in ▁New ▁York ▁city ▁( 1 8 5 3 – 1 8 5 9 ) ▁ ▁George ▁S . ▁Cook ▁ ▁his ▁Southern ▁counter part ▁ ▁Phot ograph ers ▁of ▁the ▁American ▁Civil