nstantly, or small furrow into which the seed is dropped. Angle the motion reversed, without stopping the machine or irons are secured on each side, back of the seed box, shifting belts, more or less power being applied to the and two rods are adjustably attached to depend from spindle as the size… … A mere carrying forward or more extended applica- The plans and specifications for the structure have BARNES' SENSITIVE DRILL. tion of an original idea^a mere improvement in de- been prepared under the supervision of Mr. Theodore gree^is not invention. Cooper as consulting engineer. A contract for…
Patents · Munn · Cells · Scientific American · Sheet metal · Sewing machine · Clearing house · Van depoele · Harlem river · Trade marks · Battery cell · Express money · Pilot rules
Internet Archive · Public domain (published before 1931). Free to use for anything.
