The American house-carpenter; a treatise upon architecture, cornices and mouldings, framing, doors, windows, and stairs. Together with the most important principles of practical geometry (1852)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York : J. Wiley · leaf 233
re round-ing it. Make the angle, o c t, (Fig. 268,) equal to the angle, oc t, at Fig. 261 ; upon c, describe a circle with a radius equal tohalf the thickness of the rail; draw the tangent, b d, parallel tot c, and complete the rectangle, e b df, having sides tangical tothe circle; from c, draw c… … bit in the gauge-mark at a, and bore in the direction, a c. To dothis easily, make chucks as represented in the figure, the bottomedge, g h, being parallel to o c, and having a place sawed out, asef, to receive the rail. These being nailed to the bench, the railwill be held steadily in its proper…
Carpentry · Architecture
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