51,752 Matching Results

Search Results

prev Results: 51289 - 51312 next

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
Partner: UNT Libraries Government Documents Department

Dynamometer for Locomotives.

Description: Patent for a new and improved dynamometer for locomotives. This design is "to provide a novel construction in dynamometers for indicating the traction power of locomotives" (lines 9-11). It consists in "a draw-head, a chamber containing a liquid located therein, a piston operating in said chamber, means for connecting said piston with the opposite draw-head, suitable tubing connecting with the said chamber, and a pressure-gage mounted upon or attached to the said tubing and actuated by the said… more
Date: January 13, 1891
Creator: Innes, Robert H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dumping Wagon.

Description: Patent for a new and improved dumping wagon. This design is "to provide a double dump for carrying dirt, sand, gravel, and other loose material on ordinary road-wagons, together with mechanism for instantly unloading the same" (lines 8-12). To this end, it consists "of a frame, double dumping-boxes swinging upon axles, and a U-shaped dumping lever, said lever provided with points extending slightly beyond its axis" (lines 90-93).
Date: September 13, 1892
Creator: Forsgard, Samuel J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Letter from Chester W. Nimitz to his Grandfather, August 13, 1901]

Description: Handwritten letter from Chester Nimitz to his grandfather in Fredericksburg. Nimitz relates information about his grades in various subjects and expresses his appreciation for all his grandfather has done for him. He also mentions that his ears are fine and he does not believe his hearing will bar him from entering the Academy. This letter is written on Robert Werntz Preparatory Academy stationery.
Date: August 13, 1901
Creator: Nimitz, Chester W. (Chester William), 1885-1966
Item Type: Refine your search to only Letter
Partner: National Museum of the Pacific War/Admiral Nimitz Foundation

Earth Auger.

Description: Patent for a new and improved earth auger. This design "relates to machines for boring post-holes, &c.; and it consists especially in certain improvements in the frame and operating mechanism" (lines 21-24).
Date: December 13, 1881
Creator: Blake, Llewellyn A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen