Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 939
rim of a snuff-box, which supports thebottom like the hoop of a drum or tamborine. The entire circular section is therefore most appropriate for turning; next to it the quartering, Fig.3939, should be chosen, but its appearance is less favorable ; and a worse effect happens, as the shrink-ing… … are thoroughly prepared, they will become considerably oval; so much so, that a manufacturer who isin the habit of working up large quantities of pear-tree, informs me that hollowed pieces rough-turnedto the circle, alter so much and so unequally in the drying, that works of three inches will…
Mechanical engineering
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