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By Laws Report, 2002

Description: Report by Helen Cannon in which she writes and then answers several questions written to her about the by-laws of the Women Airforce Service Pilots organization.
Date: August 12, 2002
Creator: Cannon, Helen
Item Type: Refine your search to only Report
Partner: National WASP WWII Museum

Ore Concentrator

Description: Patent for a "machine for separating ores of precious metals, and particularly to that class of machines known as 'dry concentrators or separators,' used for separating fold ore by means of an air-blast over dry sand, gravel, quartz, etc." (lines 10-15). Illustrations and instructions are included.
Date: August 17, 1897
Creator: Waer, Luis M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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