that below it is known as a skim cultivator with a long,curved, flat share, whose depth is regulated by a crank andscrew. GRAIN DRILLS were invented by the Chinese, ages ago. Their machine isFig. 3. … I IKfMsViih] nothing more than a wheelbarrow with a hopper for the seedand three spouts by which the seed reaches the ground; itthus drills three rows at a time. Fig. 3 is an English graindrill, adapted for performing all the various operations of seeding and manuring the land. All kinds of grain…
Improved · Patents · Iron · Consists · Scientific American · Copper points · American supplement · Cast Iron · Letters patent · Post office · Improved dumping · Science record · Copy scientific · American patent
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
