▁France , ▁Belg ium , ▁England , ▁etc . ▁In ▁Den mark , ▁several ▁newsp apers ▁were ▁produced ▁on ▁A TF ▁Phot ot ypes et ters ▁by ▁a ▁company ▁named ▁" Re prod an ". ▁ ▁As ▁technology ▁improved , ▁A TF ▁failed ▁to ▁keep ▁pace ▁and ▁eventually ▁the ▁line ▁was ▁dis cont in ued . ▁ ▁Dup lic ators ▁In ▁the ▁mid - 1 9 5 0 s ▁the ▁small ▁offset ▁( dup lic ator ) ▁market ▁was ▁domin ated ▁by ▁Address ograph - Mult il ith ' s ▁Multi - 1 2 5 0 ▁almost ▁without ▁competition . ▁ ▁A ▁study ▁undert aken ▁by ▁Whit in ▁Machine ▁Works , ▁a ▁manufact urer ▁of ▁text ile ▁making ▁mach in ery ▁looking ▁to ▁expand ▁out ▁of ▁an ▁industry ▁de pressed ▁by ▁the ▁introduction ▁of ▁synth etic ▁fab rics , ▁ ▁suggested ▁that ▁" quick ▁printing " ▁done ▁with ▁dup lic ators ▁was ▁a ▁growing ▁market . ▁ ▁Whit in ▁thus ▁acquired ▁A TF ▁in ▁ 1 9 5 7 , ▁began ▁to ▁manufact ure ▁a ▁small ▁ ▁( 1 0 ▁x ▁ 1 5 " ▁sheet ▁size ) ▁dup lic ator ▁at ▁their ▁Whit ins ville , ▁Massachusetts ▁facility , ▁and ▁to ▁market ▁this ▁under ▁the ▁name ▁A TF ▁Chief ▁ 1 5 . ▁ ▁The ▁basic ▁design ▁was ▁by ▁Louis ▁M estre , ▁and ▁it ▁incorpor ated ▁many ▁large ▁press ▁features ▁as ▁he ▁had ▁free ▁use ▁of ▁Web endor fer ▁pat ents . ▁ ▁As ▁it ▁gave ▁large ▁press ▁performance , ▁it