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 296
also the little attention they re-quire, their cleanliness, and last, but not least, the conveni-ence of having power at command at short notice. With regard to the water motor above-mentioned, the Backus is the only system we can say anything about.The engine itself is cheaper than the gas one of… … Fig. 146. bisschop gas engine. inside the hollow iron wheel, which are arranged round thespindle on which it revolves. As soon as the power isexerted l>y the action of the inlet pipe, it escapes at oncethrough the outlet pipe at the back of the motor. The wheel 266 PEINTING itself acts as the…
