Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 30
nd in the projections, and similarly used, for determining the breadth of the tooth at other points,and thus fixing the outline with precision. The form at the inner end is precisely similar but smaller,and is constructed by drawing radial lines to cut the series of smaller circles described by the… … describe the corresponding intermediate circle at the inner end of the tooth. The drawing of onetooth in the end view being completed, the others are copied in their proper positions, and the variouspoints projected to the corresponding circles in the side elevation, where, being seen edgewise,…
Mechanical engineering -- Dictionaries
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