Mechanical Drawing Self-Taught / Comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing; together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers

by Joshua Rose

Fig. 326—Working Drawing of 100 H.P. Engine— Details of Main Valve Motion—Scale 3" = 1 Foot. (Page 301.)

Fig. 327—Working Drawing of 100 H.P. Steam-Engine.—Wrist Plate.—3" = 1 Foot.

Fig. 328—100 H.P Horizontal Steam-Engine— Cross Head. (Page 301.)