for each of a silver medal or$10. Steam plow, practical utility of operation to be fullydemonstrated, $50; improvements in plows, diploma. Twohorse grain drill, $40 and diploma; one horse grain drill, $10and diploma; garden seed drill, $5 ; horse power corn plant-er, $20 and diploma; potato… … Out engraving illustrates a new machine for cutting metalwith rotary knives, which is appropriate for tinners use, andalso for cutting iron that is too heavy for ordinary benchshears to act upon. Fig. 1 shows the general arrangement, in which A and B
Patents · Iron · Water · Machine · Consists · Scientific American · Sewing machine · Three inches · Takes place · Steam boiler · Judge benedict · Carbonic acid · Cast Iron · Steam engine · Stove pipe
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