▁was ▁an ▁immediate ▁success ▁with ▁commercial ▁printer s ▁( who ▁were ▁dis d ain ful ▁of ▁dup lic ators ), ▁and ▁the ▁Chief ▁line ▁remained ▁the ▁best ▁of ▁the ▁small ▁press es ▁until ▁the ▁introduction ▁of ▁Heidel berg ' s ▁T - Offset ▁in ▁the ▁late ▁ 1 9 8 0 s . ▁ ▁A ▁larger ▁ ▁Chief ▁ 1 7 ▁was ▁introduced ▁in ▁the ▁ 1 9 6 0 s ▁and ▁the ▁ 1 9 7 0 s ▁saw ▁ ▁" common ▁blank et " ▁two ▁color ▁models ▁of ▁both ▁the ▁ 1 5 ▁and ▁ 1 7 . ▁ ▁Both ▁Chief ▁models ▁were ▁made ▁and ▁sold ▁in ▁Europe ▁by ▁Gest et ner ▁Cy c log raph ▁Company , ▁and ▁were ▁also ▁market ed ▁in ▁the ▁United ▁States ▁by ▁the ▁I tek ▁and ▁Dit to ▁corpor ations . ▁ ▁Though ▁the ▁Chief ▁could ▁produce ▁super l ative ▁work , ▁unlike ▁the ▁highly ▁popular ▁A . B . ▁Dick ▁ 3 5 0 , ▁it ▁required ▁a ▁sk illed ▁operator . ▁ ▁Unfortunately ▁for ▁A TF , ▁ ▁the ▁quick ▁printing ▁industry ▁had ▁less ▁use ▁for ▁such ▁quality ▁work ▁and ▁more ▁need ▁of ▁a ▁" fast ▁and ▁dirty " ▁dup lic ator ▁like ▁the ▁ 3 5 0 ▁and ▁so ▁its ▁market ▁pen etr ation ▁was ▁limited . ▁ ▁In ▁ 1 9 6 6 ▁White ▁Cons olid ated ▁Indust ries ▁acquired ▁the ▁Whit in ▁Machine ▁Works ▁and ▁with ▁it ▁control ▁of ▁A . T . F ,. ▁ ▁A TF ▁later ▁purchased