As Printer , he introduced film setting , rotary and web - fed letterpress and sheet - and web - fed offset , replaced collotype with 400 - screen halftones .
As Printer , he established a fully mechanised bindery .
As Printer , he introduced film setting , rotary and web - fed letterpress and sheet - and web - fed offset , replaced collotype with 400 - screen halftones and established a fully mechanised bindery .