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4 Matching Results
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Draft-Gear.
Patent for improvements in draft-gear by using a drive wheel and an arcuate guide to maintain the line of draft from the load to the center of the main or drive axle irrespective of the position of the load relative to the engine (lines 17-20). Illustration is included.
Date:
July 8, 1913
Creator:
Ingram, Joseph D.
Object Type:
Patent
System:
The Portal to Texas History
Header Device.
Patent for a header device intended for the cutting of maize, sorghum, kafir, and other crops so that the plant heads land on a header platform without too much stalk accompanying the head.
Date:
July 21, 1914
Creator:
Montgomery, Carroll Hinckley
Object Type:
Patent
System:
The Portal to Texas History
Panhandle Water News, July 2003
Quarterly newsletter of the Panhandle Groundwater Conservation District describing activities and giving groundwater supply updates for each county in the district.
Date:
July 2003
Creator:
Panhandle Groundwater Conservation District
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Reversible Steam-Engine.
Patent for "reversible reciprocating steam engines, its objects being to simplify the mechanism for reversing the valve, and to provide a valve in which the area of steam pressure upon its face is reduced to the minimum." (Lines 14-19) Includes instructions and illustrations.
Date:
July 24, 1894
Creator:
Lester, Frank
Object Type:
Patent
System:
The Portal to Texas History