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 601
1563. … Back View. it is not necessary to make the back of the casing removable, but merely to plane and fit the back tothe rings before the parts are put together. The back plate which forms the cover of the casing isscraped as carefully as the valve and cylinder faces, but only as much of the back plate…
Mechanical engineering
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