Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 454
OILS. 447 TO, a handle to disengage the self-acting feed when desired. The upper part of the slide on whlohthe nuts are fixed turns rounil, and is held in the position required by tlie handle m, the end of which ispressed, by a spring, into notches on the rim of the table. See Fig. 2976. ;/, a… … OCTAGON. In geometry, a plane figure contained by eight sides, and consequently having eightangles. When the sides and angles are equal, it is a regular octagon. If a denote the side of a regularoctagon, the area is a^ X 2 tan. 67i° = 0^ X 4-82S427. OCTOHEDRON. In geometry, one of the five regular…
Mechanical engineering · Mechanics · Engineering
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