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)
late. Themain bearing is provided with a screw for adjustingthe height of the bottom piece of the bearing, andthus taking up the wear. The guide bars are held tothe bed in the middle as well as at each end. Figures 319 and 320 represent cross sections of thebed-plate. Figure 321 represents a side… … 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)
Mechanical drawing
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