Portland Public Library
Planing-machines -- Patents
Type
http://bibfra.me/vocab/lite/Concept
Label
Planing-machines -- Patents
Name
Planing-machines
Focus
Planing-machines
Sub focus
Patents
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Subject of
1
Speech of Hon. John Otis, of Maine, and the minority report of the committee on patents made by him, on the subject of Woodworth's patent for a planing machine, and against the bill for extending that patent
Outgoing Resources
Focus
1
Planing-machines
Sub focus
1
Patents
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