Printing; a practical treatise on the art of typography as applied more particularly to the printing of books; (1890)
Jacobi, Charles Thomas, 1853-1933 · London : G. Bell and sons · leaf 169
put the bolts in sothat these marks meet together and correspond, and soon, until you have all the remaining parts in their respec-tive places. The four screws for the platen, which haveheads on one side, are intended to attach the platen to thepiston, which being placed in their proper places, are… … Fig. 89. on the iron screw, which connects the main and top coun-terpoise levers, you may regulate the rise and fall of theplaten, so as to clear the head-bands of the tympans, whichis done by screwing the iron nut up as far as is necessary.In adjusting the platen so as to approach the forme…
Printing
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