Electromagnetic Ore-Separator. (open access)

Electromagnetic Ore-Separator.

Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date: February 16, 1909
Creator: Charlton, Thomas
Object Type: Patent
System: The Portal to Texas History
El Paso County Community College District Annual Financial Report: 2011 (open access)

El Paso County Community College District Annual Financial Report: 2011

Annual financial report of the El Paso County Community College District for fiscal year 2011 providing statements of assets, revenues, expenses, taxes, and other relevant data.
Date: February 16, 2012
Creator: El Paso County Community College District. Financial and Information Services.
Object Type: Report
System: The Portal to Texas History