The library

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Levels are estimates for original works, not graded adaptations. Only English texts with a valid measurement use our Flesch heuristic.

79,717 books found

Page 53
ENB1 · Estimated

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

Rose, Joshua