A shorter course in woodworking; a practical manual for home and school (1911)
Wheeler, Charles G. (Charles Gardner), 1855-1946 · New York, London, G.P. Putnam's sons · leaf 292
Appendix 269 … But if 12 or more wide, 2 y.6 is as small as should be used. To lay outrafters (Fig. 747): AD is the run of the rafter, and BD the rise.If the height of the roof is one half the width, it is called one-half pitch;if one third the width, one-third pitch; ifone fourth the width, one-quarter pitch.In…
Woodwork
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