Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 189
ower side of a c, equalto c? 0, e 1, (fee, on the upper side ; trace a curve through thepoints, 0, 1, 2, 3,4, c, on each side of c^ c ; then o c o will bethe proper shape for the board. By dividing the circumference ofthe base. A, into equal parts, and making the bottom, o d o,of theboard of a size… … 311.— To find the curve of the hoards when laid in horizon-tal courses. Let ABC, {Fig. 223,) be the section of a givendome, and D B its axis. Divide B C into as many parts asthere are to be courses of boards, in the points, 1, 2, 3, &c.;through 1 and 2, draw a line to meet the axis extended at…
Carpentry · Architecture
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