Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 115
es in pe)icilexcept those inked. In Problems 21 and 22 erase all constructionlines not inked. The trammel used in Problem 21 may be drawnill the position as shown, or it may be drawn outside of the ellipsein any convenient place. The same lettering sliould be done on this plate as on…
Architecture · Building · Carpentry
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