▁art istic ▁technique , ▁Salt ▁phot oc op ied ▁the ▁book ▁with ▁an ▁eye ▁to ▁painting ▁some ▁of ▁its ▁images . ▁ ▁Salt ' s ▁painting ▁U nt itled ▁( 1 9 6 7 ) ▁was ▁a ▁p iv otal ▁work ▁in ▁this ▁respect , ▁being ▁very ▁closely ▁based ▁on ▁Win og rand ' s ▁photograph ▁New ▁York ▁City ▁( 1 9 5 9 ); ▁both ▁featuring ▁a ▁closely ▁zoom ed ▁image ▁of ▁the ▁inside ▁of ▁a ▁car ▁viewed ▁from ▁the ▁outside . ▁Despite ▁the ▁very ▁high ▁degree ▁of ▁similarity ▁between ▁the ▁compos itions , ▁Salt ' s ▁painting ▁was ▁still ▁clearly ▁an ▁art istic ▁interpretation ▁of ▁the ▁photograph , ▁however . ▁Salt ▁real ised ▁that ▁if ▁he ▁was ▁to ▁eliminate ▁all ▁traces ▁of ▁expression ism ▁in ▁his ▁work ▁he ▁had ▁to ▁record ▁the ▁image ▁as ▁faith fully ▁as ▁possible , ▁and ▁his ▁next ▁series ▁of ▁paint ings ▁– ▁the ▁first ▁of ▁his ▁m ature ▁style ▁– ▁featured ▁a ▁series ▁of ▁paint ings ▁of ▁car ▁u ph ol st ery ▁reprodu ced ▁directly ▁from ▁a ▁Bu ick ▁catalog ue . ▁ ▁Alex ▁K atz , ▁review ing ▁Salt ' s ▁work ▁as ▁an ▁external ▁ass essor ▁for ▁the ▁college , ▁ski pped ▁over ▁Salt ' s ▁expression ist ▁work ▁before ▁remark ing ▁about ▁the ▁Bu ick ▁works ▁" Oh ▁this ▁is ▁better . ▁This ▁may ▁not ▁even ▁be ▁art ." ▁ ▁New ▁York ▁City ▁Salt ▁had ▁originally ▁planned ▁to ▁return ▁to ▁England ▁at ▁the ▁end ▁of ▁his ▁Baltimore ▁course ▁in ▁ 1 9