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in creator/contributor: "Brown, D."  
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Apparatus for Transmitting Sound-Waves

Description: Patent for transmitting sound waves by magnetic induction and to "furnish an apparatus by which these different vibrations can be heard at the receiving end" (lines 20-22). Includes descriptions and illustrations.
Date: October 17, 1911
Creator: Harvey, Fred Brown
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Compilation of Hydrologic Data for the Edwards Aquifer, San Antonio, Texas: 1991, with 1934-91 Summary

Description: Compilation of hydrologic data for the Edwards Aquifer in 1991 with a summary of data from 1934-91. Includes information on groundwater recharge and discharge, water levels, water quality, maps of the San Antonio and Edwards Aquifer area, and data.
Date: November 1992
Creator: Brown, D. S.; Petri, B. L. & Nalley, G. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Compilation of Hydrologic Data for the Edwards Aquifer, San Antonio, Texas: 1990, with 1934-90 Summary

Description: Compilation of hydrologic data for the Edwards Aquifer in 1990 with a summary of data from 1934-90. Includes information on groundwater recharge and discharge, water levels, water quality, maps of the San Antonio and Edwards Aquifer area, and data.
Date: December 1991
Creator: Brown, D. S.; Gilhousen, J. R. & Nalley, G. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Hand Rest.

Description: Patent for a new and improved hand rest. This design consists in "[t]he combination of the standard, the lever supported thereby and provided with a guide wire or rail, and the hand support comprising a roller mounted on said rail, an elastic strap depending from the roller, and a finger-receiver secured to the lower end of the strap" (lines 62-68).
Date: September 4, 1888
Creator: Brown, Martin Luther
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Insecticide Distributor.

Description: Patent for a new and improved bug sprayer. This design consists in "[t]he combination of a base, a bellows mounted thereon, a receptacle arranged in advance of the bellows and adapted to contain poison to be distributed, a forwardly-projecting discharge-tube, laterally-extending discharge-tubes comprising inner rigid sections, outer rigid sections having series of discharge-nozzles, and flexible couplings connecting the rigid sections, and the braces having their inner ends pivoted to the base … more
Date: September 27, 1892
Creator: Talley, Reuben J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Horse Detacher

Description: Patent for a new and improved horse detacher which allows the driver to unhitch a horse without exiting the carriage or wagon, including specifications and illustrations.
Date: April 1, 1913
Creator: Carter, William Otis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric Arc Lamp.

Description: Patent for a new and improved electric-arc lamp. This design consists in "the combination of a single horseshoe electro-magnet in the circuit of a main line, connected on the positive side to a binding-post having shunt material as a bushing around it, an armature hinged at its center and free to vibrate throughout its length with a carbon-rod holder, which it is adapted to clutch at the hinged part, said magnet acting upon the ends of the armature only, and an adjustable trip and limiting-stop… more
Date: March 8, 1887
Creator: McDill, Henry C. & Gaston, James E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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