American carpenter and builder, august 1906 (1906)
American Carpenter and Builder Co. · American Carpenter and Builder Co. · leaf 98
(Patented) … UNIVERSITY OF ILLINOIS Champaign, 111., Sept. 29, 1904. . Gentlemen;— * * * I have, I believe, investigated all theprincipal systems of hollow concrete wall and partition constructionnow on the market, and have no hesitation in saying that your systemof manufacturing is the only one I know of that…
Rough carpentry · Architecture · Designs and plans
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