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 298
of gas engines or other forms of motive power.They occupy little floor-space, and develop a large amount of ELECTRIC MOTORS 267 power in proportion to size and weight. A motor of 5 brakeh.p. will occupy a floor-space of only about three by twofeet, and weigh about 400 lb. These figures relate… … Fig. 147. electric motor. other form of power, and with a little care in design can beso installed that it takes up a very small space outside thepress. They also run with very little or no noise or vibration.The last point is of great importance where there is difficultyin putting in a solid…
