Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 173
the set-screws.;:this frame can be raised or lowered,and is secured by bolts fitted intogrooves in the back of columns a. k Racks and wheels attached to theboring-block (containing the steel cutters) for giving it the feed oradvancing motion. I Second floor of the building, and onwhich is placed a… … p Travelling tables for carrying thework to be bored, &c. y Driving-pulleys for machines B andC, worked by straps q . t Cross-shaft, levers, and links, for oc-casionally raising the grinding-plater, of machine C. t Cross-frame for carrying the brackets* « for supporting the shaft r. t…
Mechanical engineering
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