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Telephone-Transmitter.

Description: Patent for a granulated-electrode phone transmitter that is designed to be simple and "constructed so that the granulated-electrode cannot become displaced from the cell" (lines 10-12).
Date: May 11, 1897
Creator: Alexander, Horace C.
Partner: UNT Libraries Government Documents Department

Precast Extension Hanging in Lead

Description: Photograph of a piece of machinery holding an extension piece with a chain. There are holding tanks in the background. To the left, a 1950's model pickup truck with the business name "Spence & Howe Construction Co." written on the side.
Date: May 11, 1951
Creator: J. C. Watkins Photography
Partner: Museum of the Gulf Coast