Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 367
bers. Then using as radii the various 297 212 SHEET METAL WORK lengths a 1, a 2, a 3, etc., to a 9, and with any point, as a! in Fig.288 as center, describe the various arcs shown from 1 to 9. From anypoint on tlie arc 1 draw a line to a. Set the dividers equal to the spaces contained in thecurve 1… … Fig. 287.
Architecture · Building · Carpentry
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