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Scientific American, Vol. 38, No. 13 (1878) (1878)

leaf 6

An illustration from Scientific American, Vol. 38, No. 13 (1878), 1878, leaf 6
and being better than the standard adopted by the Produce Ex- until the plants are several inches high. splinters of glass scattered thinly and widely—and not only change. The flashing test he believed to be the only safe The frame is made in two sections, each consisting of five upon the floor,… … plosions of toughened glass, often with- desired. By means of the hook, D, the draught may be applied to the lower out any apparent cause, have been pretty DOBBIN’S IMPROVED HARROW. frequent of late, and appear to be on the section when the two sections are folded increase—a circumstance likely to…

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