. Elementary lessons in the physics of agriculture . 03 a o Span 10 feet. ! Span 12 feet. Span 11 feet. Span 16 feet. K Breadth. Breadth. Breadth. Breadth. Eh a, Q 2 in 4 in. 6 in. 2 in. 4 in. 6 in, 2 in. 4 in. 1 6 in. 2 in. 4 in. 6 in. 4 6 8 10 12 240 540 960 1500 2160 lb.: I 10 in 13 in 4 6 8 10 12 lbs 960 2'60 38401 6000| 8640 lbs. 1200 2700 4800 7500 10800 lbs. 800 1800 3200 5000; 7200 lbs. 1(X)0 2250 4000 6250 9000 lbs. 1200 2700 4800 7500 10800 lbs. 688 1544 2744 4288 6176 860 1930 3430 5360 7720 lbs 1032 2316 4116 6432 9264 lbs. 750 1680 3000 4680 6750 lbs. 900 2016 3600 561


. Elementary lessons in the physics of agriculture . 03 a o Span 10 feet. ! Span 12 feet. Span 11 feet. Span 16 feet. K Breadth. Breadth. Breadth. Breadth. Eh a, Q 2 in 4 in. 6 in. 2 in. 4 in. 6 in, 2 in. 4 in. 1 6 in. 2 in. 4 in. 6 in. 4 6 8 10 12 240 540 960 1500 2160 lb.: I 10 in 13 in 4 6 8 10 12 lbs 960 2'60 38401 6000| 8640 lbs. 1200 2700 4800 7500 10800 lbs. 800 1800 3200 5000; 7200 lbs. 1(X)0 2250 4000 6250 9000 lbs. 1200 2700 4800 7500 10800 lbs. 688 1544 2744 4288 6176 860 1930 3430 5360 7720 lbs 1032 2316 4116 6432 9264 lbs. 750 1680 3000 4680 6750 lbs. 900 2016 3600 5616 8100


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Keywords: ., bookcentury1800, bookcontributorthe, bookdecade1890, bookyear1891