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US Patent: 206,927
Improvement in Blasting Wedges
Patentee:
Otto Fredrick Brockhausen (exact or similar names) - 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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Report data errors or omissions to steward Russ Allen.
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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