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[Letter from Gilberto Rizzo to Mario Marcel Salas, April 5, 1974]

Description: Letter from Gilberto Rizzo to Mario Marcel Salas discussing the status of the new Student National Coordinating Committee as a non-governmental organization with the United Nations. Rizzo explains the relationship between NGOs and the United Nations and how to arrange a group visit to the United Nations building.
Date: April 5, 1974
Creator: Rizzo, Gilberto
Partner: Private Collection of Mario Marcel Salas

[Letter from John W. Stanford, April 5, 1967]

Description: Letter from John W. Stanford to Maury Maverick, Jr. introducing Desta Brown. Brown had requested that Stanford sent a letter of introduction to Maverick or Arthur Gochman prior to her writing them regarding a case they were handling. There is a note at the bottom stating the letter was copied to Maury Maverick, Jr. of the Hall-Benjamin J. Davis Defense Committee.
Date: April 5, 1965
Creator: Stanford, John W., Jr.
Partner: Private Collection of Mario Marcel Salas

Animated Sign

Description: Patent for a display apparatus to be implemented as animated advertising signs which successively display different images by controlling the timing of changes in the colors of light used to flood the front and to backlight the display surfaces. The images are created in such a way that certain elements created in certain colors become absorbed or are made invisible when illuminated by certain colors of light. An apparatus controls the cyclical changes of the colored lights used by the sign.
Date: September 5, 1922
Creator: Craig, Richard M.
Partner: UNT Libraries Government Documents Department

Valve Construction

Description: Patent for improved valve construction which permits unobstructed passage from valves to intake and exhaust pipe in motor vehicles.
Date: February 5, 1918
Creator: Smith, T.N.
Partner: UNT Libraries Government Documents Department

Method of and Apparatus for Producing Transformation Effects

Description: Patent for a method of creating transformation effects through the use of particular colors of illumination, to be used in the theater, amusement houses, or other performances. The invention involves using lights whose colors can either "absorb" or "wash out" certain objects or designs of the same color while revealing objects of a complementary color.
Date: September 5, 1922
Creator: Craig, Richard M.
Partner: UNT Libraries Government Documents Department
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