Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 234
n similar manner throughd <?, ef^ andy C draw the lines intersecting the center line D Eat K, L, and C. Then using the points as center, describe thepatterns 2, and 3\ and the full circle 4\ The stretchout for the patterns 2 and 3 is obtained from thecircle e e in plan and placed on the inner… … Ficr. 123. 187 116 SHEET METAL WORK In large kettles of this kind, the length of the pattern is guidedby the size of the sheets in stock, and if it was desired that each ringwas to be made in 8 parts then the respective circle in plan fromwhich the stretchout is taken would be divided into 8 parts,…
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