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 (1883)
Fig. 322 —looM. P. Horizontal Steam-Enc … 5 D View of Cylinder—Scale ij4—i Foot. ) EXAMPLES IN ENGIiYE WORK. 299 have remained unconsumed In the furnace. Thecleansinor door at one end and that Hned with asbestosat the other, are to admit the passage of the tubecleaners. The asbestos at the top of the boiler shellis to protect it from any…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.