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[Letter from I. H. Kempner to Mary Jean Thorne, October 30, 1959] (open access)

[Letter from I. H. Kempner to Mary Jean Thorne, October 30, 1959]

Letter from I. H. Kempner to Mary Jean Thorne discussing about the possible date for Imperial Sugar Company meeting, an article in the enclosed October issue of the Imperial Crown and incorporation of an area at Sugar Land.
Date: October 30, 1959
Creator: Kempner, Isaac H. (Isaac Herbert), 1873-1967
Object Type: Letter
System: The Portal to Texas History
Post Hole Auger (open access)

Post Hole Auger

Patent for an improved post-hole digger/auger with multiple blades that cut in a spiral pattern and has the blades adjust and lock on the base. The blade shanks form a cage and keeps dirt from clogging the blades.
Date: May 22, 1915
Creator: Hoover, Orville M. & Ardery, Sarah, J.
Object Type: Patent
System: The Portal to Texas History
Fastening (open access)

Fastening

Patent for fastening. This invention is comprised of a threaded member and a socket that are adapted to a screw. Illustration included.
Date: October 26, 1909
Creator: Percival, Herbert E. & Key, Brewer W.
Object Type: Patent
System: The Portal to Texas History
Rail Fastening (open access)

Rail Fastening

Patent for rail fastening. This invention is designed to fasten railroad rails and consists spikes, bolts, and a flange. Illustration included.
Date: June 15, 1909
Creator: Percival, Herbert E. & Key, Brewer W.
Object Type: Patent
System: The Portal to Texas History
Rail-Fastening. (open access)

Rail-Fastening.

Patent for a rail fastening for padding the connection between the rail and the tie, which has a stronger connection than previous versions of this type of device.
Date: December 24, 1907
Creator: Percival, Herbert E.
Object Type: Patent
System: The Portal to Texas History
Rail-Fastening for Plastic Ties and the Process of Making the Same. (open access)

Rail-Fastening for Plastic Ties and the Process of Making the Same.

Patent for " an improvement in rail-fastenings for plastic ties and the process of making the same." (lines 12-14) including instructions and illustrations.
Date: December 26, 1905
Creator: Percival, Herbert E.
Object Type: Patent
System: The Portal to Texas History