Printing : a practical treatise on the art of typography as applied more particularly to the printing of books (1904)
Jacobi, Charles Thomas · London : G. Bell & Sons · leaf 342
and fro. The travel of thismachine naturally is somewhat longer than that of thesingle feed. The cylinder is so arranged that it reverses ateach run, on the old tumbler principle, and the grippersopen at the respective taking side as required. It runs easilyand quickly, and is well adapted for… … 3 O HP►JO W COCO O I—t tin
