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What Can Be Done for Inventors--Advice Gratis and Advice for Pay
To Our Readers
The Steam Battery “Monitor”
The Fight Between the “Merrimac” and “Monitor”
T-Rail Shell-Proof Frigates--Learning by Experience
Splendid Success of the Ericsson Battery
Recent American Inventions
Issued from the United States Patent Office
Notes on Military and Naval Affairs
Imbecility in the Navy Department
How Long Has the Sun Shone and How Long Will it Continue to Shine?
Carbureting Apparatus for Street Lamps
Annual Report of the Commissioner of Patents
Notes and Queries
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