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Scientific American, Vol. 61, No. 24 (December 1889) (1889)
leaf 3
is also pivoted a rearwardly extending forked arm, on which are the point of connection being such that, when loaded, hefd covering disks adapted to close the furrow the car body will be retained upon the frame by gravity, but the center of gravity is sufficiently near the hinge after the seed or… … address the inventor Mr. J. 8. Harshman, Harshman, O. address Mr. R. C. Macy, Breckenridge, Col. WILSON'S CAB DUUriNQ DEVICE. © 1889 SCIENTIFIC AMERICAN, INCFeet · Water · Wbicb · Diaphragm · Witb · Scientific American · Tbis · Emin pasha · Captain forbes · Double cyanide · Water works · Tbe scientific · Thin tin · Carbonic acid · Fine wire · Bell crank
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