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Compression Indicator

Description: Patent for a device that determining the compression of engine cylinders. Is meant to provide a more efficient and quicker way to test compression in explosive engine cylinders.
Date: November 26, 1918
Creator: Lambeth, Acey L.
Partner: UNT Libraries Government Documents Department

[Letter from I. H. Kempner to Jack Bryan, February 26, 1951]

Description: Letter from I. H. Kempner to Jack Bryan apologizing for misplacing all copies of the transposed Lincoln address Bryan requested. He explains that he gave the one copy he had to one of Bryan's associates and has asked Dudley Peterson to locate it and make copies. He expresses enjoyment in meeting Bryan and other legislators and acknowledges the challenges they face, particularly in the Appropriations Committee.
Date: February 26, 1951
Creator: Kempner, Isaac H. (Isaac Herbert), 1873-1967
Partner: Rosenberg Library

Grain Conveyer for Binders, &c.

Description: Patent for a new and improved grain-conveyer for binders. This design "relates to improvements in reciprocating grain-conveyers for binders and harvesters in which arms fold for the rearward movement of the conveyer and unfold for the forward movement to shift the grain on the platform to the inner inner end or off the inner end of the platform. The objects of the invention are, first, to provide the vertical side arms with extensions hinged to said vertical arms so that the upper ends of said … more
Date: July 26, 1892
Creator: Schubert, George
Partner: UNT Libraries Government Documents Department

[Ballot: American Women's Voluntary Services Board of Directors Election, May 26, 1942]

Description: Ballot for the election of the national board of directors for the American Women's Voluntary Services held at the annual meeting on May 26, 1942. The ballot contains all the nominees for the board and checks next to the names the voter wanted elected. Attached to the ballot is a slip with instructions to only select forty names for the board of directors.
Date: May 26, 1942
Creator: American Women's Voluntary Services
Partner: Rosenberg Library

[Letter from Mary Vail Andress, March 26, 1945]

Description: Letter from National Secretary of the American Women's Voluntary Services Mary Vail Andress notifying the recipient of the Annual Meeting of the A. W. V. S. to be held on May 22, 1945 at the Waldorf-Astoria Hotel in New York City, New York.
Date: March 26, 1945
Creator: American Women's Voluntary Services
Partner: Rosenberg Library

Harrow Attachment for Cultivators.

Description: Patent for an improved harrow attachment for cultivators that can be easily and quickly removed or attached and which allows soil to be worked after rain when it would otherwise be too moist. Includes illustrations.
Date: September 26, 1911
Creator: Stevens, Charles P.
Partner: UNT Libraries Government Documents Department

Crate or Box.

Description: Patent for "a crate or box of knockdown form consisting of a crate or box made of separable sections and bound together by wires and stay-bolts that are loosely set into the sections" (line 11-16) including instructions and illustrations.
Date: September 26, 1905
Creator: Hines, Warren H.
Partner: UNT Libraries Government Documents Department

Hydrant Valve.

Description: Patent for an improved valve for hydrants that, when closed, allows water to drain out of the riser and bib, preventing freezing. Includes illustrations.
Date: September 26, 1911
Creator: Ziller, William
Partner: UNT Libraries Government Documents Department
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