Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 170
3 n K 8 ^ - « . o c^ tt «s •• S • W -2 M 2 o -So H H •< oo x toK a 0 -a o *3 pn i-i » M V nb« a … > » H H < oo B u CO su n Ou S) m -d d (3 «« 09 C3 n a] a c4 Xu I ^. as ^ 3 O d S K ID 43 ■a o o STATICS It is often convenient, especially when many forces are con-cerned in a single problem, to use two lines instead of one torepresent a force—one to represent the magnitude and one theline of…
Architecture · Building · Carpentry
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