Resource Type
Collection
Serial/Series Title
2000 Census County Subdivision Block Map
85
2010 Census County Block Map
74
2010 Census P.L. 94-171 County Block Map
74
7.5 Minute Series (Topographic)
61
2000 Census County Block Map
54
1990 Census County Block Map
53
Digital US Topo Maps: 7.5 Minute Series (Topographic)
49
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
24
North Texas Hospital for the Insane Annual Report
20
15 Minute Series (Topographic)
10
43 More
Country
States
Counties
Decade
Month
Language
723 Matching Results
Results open in a new window/tab.
prev
Results:
721 - 723 of
723
Cotton Chopper.
Patent for a new and improved cotton chopper. This design consists in "[t]he combination, with the hoe, of a standard, fulcrumed to a hinged adjustable bar, and connected by mechanism[s] with the ground-wheel" (lines 77-80).
Date:
December 5, 1882
Creator:
Collins, Laura Ann & Graham, William G.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Chopper.
Patent for a new and improved cotton chopper. This design consists in "[t]he combination, with the frame and the operating-gearing, of the vertical shaft, supported by the frame and acted on by the operating-gearing, the horizontal plate rigidly secured to the lower end of the shaft and provided with radial grooves, and slots in said grooves, the feet having their upper ends bent at right angles, fitted in said grooves and adjustably secured therein by bolts passing through the radial slots, the lower ends of the feet carrying choppers" (lines 39-49).
Date:
October 25, 1887
Creator:
Ballard, John J.
Object Type:
Patent
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a cotton chopper, which cuts the stalks with a sliding cut and has multiple blades that are adjustable.
Date:
March 24, 1908
Creator:
Henry, Reeves
Object Type:
Patent
System:
The Portal to Texas History