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 286
ause every machine may be driven independently,each one having its own motor. By this means a certain 254 MOTIVE POWER 255 amount of steadiness in driving is insured, and the unsightly,and frequently dangerous, shafting and belting necessaryfor steam or gas power are dispensed with. Steam… … FlG. 138. BEAM STEAM ENGINE. an equal size. Before placing an engine, a perfectly soundfoundation must be secured for it; therefore it is best tohave it in the basement, to obviate any vibration in driving.The boiler (Cornish ones are more usually adopted) shouldbe situated as near as possible to…