Inside Out Library · Explore
Scientific American, Vol. 43, No. 26 (1880) (1880)
leaf 7
he French engineer Bollé, of Le readily raised or lowered by sliding the frame on. the post, space for the row of hills, open a furrow to receive the seed, Mans, and exhibited at the Paris Exhibition of 1878, was an the chains running freely through the arms, and the. weight drop the seed, cover… … cannot be clearly described riment proved most satisfac- without engravings, tory. © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 43, No. 26 (1880)
More like this
