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Scientific American, Vol. 39, No. 11 (September 1878) (1878)

leaf 5

An illustration from Scientific American, Vol. 39, No. 11 (September 1878), 1878, leaf 5
delay this letter to give either the dynamometrical This is shown in Fig. 23. field of 300 acres of beets on the farm at Pelit-Bourjr, where indications of the draught of the plows, or the decisions on The other one is adapted for cutting drains in natural the trial of plows took place, is regarded… … Fig. 21.-BUTTOIR, OR RIDGING PLOW. 23.—GABNIBR'8 SUBSOIL PLOW. © 1878 SCIENTIFIC AMERICAN, INC.

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