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Cotton Gin.

Description: Patent for a new and improved cotton gin. This design calls for the circular saw blades of the gin to pass through two metal ribs, one of which aligns with the tip of the saw teeth, while the other aligns with the root of the saw teeth.
Date: August 22, 1882
Creator: Basom, Ransford W.
Item Type: Refine your search to only Patent

Dry Kiln Furnace.

Description: Patent for a new and improved dry-kiln furnace. This design has "a grate at its forward end, a bridge-wall extending upwardly from the lower side at the rear end of the grate, a smoke-outlet in the bottom between the rear end and bridge, and a transverse flue under the furnace, open at each end and dividing the draft at the smoke-outlet, said flue communicating with the interior of the drying-chamber, and having a vertical baffle-plate under the smoke-outlet extending longitudinally along its b… more
Date: August 13, 1889
Creator: Ketcham, William
Item Type: Refine your search to only Patent

Valve Gear.

Description: Patent for a new and improved valve-gear. This design "relates to improvements in mechanical movements adapted especially to the valve-gear of steam-engines, and is designed to produce a device having a reciprocatory movement having intermediate impulses" (lines 9-14).
Date: August 18, 1885
Creator: Pinkham, Delmar D.
Item Type: Refine your search to only Patent
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