Coffee Urn (open access)

Coffee Urn

Patent for a coffee urn. Illustration included.
Date: July 18, 1905
Creator: Robertson, Cullen Andrew
System: The Portal to Texas History
Electrostatic Magnetic Separator. (open access)

Electrostatic Magnetic Separator.

Patent for a magnetic separator that makes use of electrostatic to aid in the process of separation. The invention is said to accomplish "the most efficient magnetic separation in which the action of a magnetic roller is assisted and materially improved by the presence of a static current" (lines 16-19) including illustrations.
Date: July 11, 1905
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
System: The Portal to Texas History