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Notes on Military and Naval Affairs
Polytechnic Association of the American Institute
Kepner's Feathering Paddle Wheels
The Best Gun
Extension of Patents--For Whose Benefit They Are Granted
The Great Troy Fire--Iron Safes Destroyed
General Totten on the Ship and Fort Question
Proposed Amendments to the Canada Patent Law System
Patent Law Reform in New Brunswick
The Way the Gold Deposits of California Were Formed
Recent American Inventions
Patent Claims
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