Manual of the Bouton Foundry Company, 1887 . 0. Span DEPTH, 10 INCHES | Safe Load IN Feet. Safe Load in Tons for Plates of the following-Thickness. for each 1 ofwood in tons X % H % I % Of 2,000 lbs. 8 • 9 10 11 12 13 14 15 16 17 18 19 1

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Manual of the Bouton Foundry Company, 1887 . 0. Span DEPTH, 10 INCHES | Safe Load IN Feet. Safe Load in Tons for Plates of the following-Thickness. for each 1 ofwood in tons X % H % I % Of 2,000 lbs. 8 • 9 10 11 12 13 14 15 16 17 18 19 20 21 1,18 22 23 4 24 25 26 27 28 0.* 29 30 8 :j DEPTH, 12 I IS ICHES. 9 5

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectdivisio, bookyear1887