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 (1889)
Fig. 320.variations of temperature without acting to bend thebed-plate, while at the same time the cylinder is sup- *■) Bessemer Sled Bar 1C-4— Fig. o o Plan 6 m -*-)- X v 1 1 -i—,— ■4-fJ i j --——-4_ 1- 1 vatiou Page 292.) Nk) … Fig. 318. (Page 292.) I
Mechanical drawing
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