Rare Books
The slide valve practically explained. : Embracing simple and complete practical demonstrations of the operation of each element in a slide-valve movement, and illustrating the effects of variations in their proportions, by examples carefully selected from the most recent and successful practice
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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
Rare Books
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