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 246
line, j i.on the plan. The line, b A, therefore, on the top of the rail inthe helinet, is a true representation of e m on the plan, and k c onthe bottom of the rail truly represents d o. From k, draw k /,parallel to c 6, and from h, draw hf, parallel to b c ; join I andb, also c and/; then c k I b… … 230 AMERICAN HOUSE-CARPENTER. To show that the process followed in Art. 380 is correct, let d oand e m, (Fig. 281,) be the direction of the butt-joint found as atFig. 275. Now, to project, on the top of the rail in the helinet, aline that does not radiate towards the centre of the cylinder, as jk,…
Carpentry · Architecture
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