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US Patent: 206,927
Improvement in Blasting Wedges
Patentee:
Otto Fredrick Brockhausen - Reno, NV

USPTO Classifications:
102/304, 144/195.7

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
M. Gulling
Charles Gulling

Patent Dates:
Applied: Jun. 08, 1878
Granted: Aug. 13, 1878

Patent Pictures:
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Description:
A wedge that contains a recess or chamber that allows it to be filled with explosives in order to split logs as opposed to the perhaps saner method of boring the log and charging it with gunpowder.

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