Building Age · Building Age Publishing Co. · leaf 97
30 BUILDING AGE October, 1917 Improved Convertible Level The instrument forthe critical man—every part is madefrom the best gradematerial; each in-strument is assem-bled and tested byexpert workmen. Theacme of level construc-tion, Ask for circularB and catalog ofdrawing material.No pins to lose,… … New York Blue Print Paper Co., 102 Reade St., New York
Architecture, Domestic · Designs and plans
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