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 288
STEAM ENGINES 257 (b) horizontal, (c) vertical, (<1) table, (e) combined vorticalengine and boiler. The beam engine, fig. 138, is preferable if a large number … FlG. 140. VERTICAL STEAM ENGINE. of machines have to be driven, and particularly if they areof different kinds. This difference in character of machine—cylindrical or platen impression—must be allowed forby counter-shafting, otherwise an equal power will not bemaintained if driven from the main…
