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Method of Treating Ores.
Patent for "new and useful Improvements in methods of Treating Ores, of which the following is a specification. The present invention relates to a method of treating ores carrying gold and silver values in any form amenable to cyanid treatment or flotation" (lines 6-12).
Date:
May 8, 1917
Creator:
Friberger, Harry Louis
System:
The Portal to Texas History
Miter-Box.
Patent for a new and improved miter box that quickly adjusts "to guide a saw at any desired angle" (line 12), including instructions and illustrations.
Date:
May 8, 1900
Creator:
Shotwell, Marcus Aretar Kossuth
System:
The Portal to Texas History