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 222
hich theypass; put the bolts in so that these marks meet togetherand correspond, and so on, until you have all the remainingparts in their respective places. The four screws for. theplaten, which have heads on one side, are intended to attach COLUMBIAN HAND-PBESS 193 the platen to the piston,… … r^^i FlG. 105. COLUMBIAN HAND-PRESS. reverse way. By the nut on the iron screw, which connectsthe main and top counterpoise levers, the rise and fall ofthe platen may be regulated, so as to clear the head-bandsof the tympans, which is done by screwing the iron nut upas far as is necessary. In…
