Volume 6, Issue 12
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Features
Notes on Military and Naval Affairs
Carbureting Apparatus for Street Lamps
The Fight Between the “Merrimac” and “Monitor”
What Can Be Done for Inventors--Advice Gratis and Advice for Pay
Splendid Success of the Ericsson Battery
Annual Report of the Commissioner of Patents
Imbecility in the Navy Department
T-Rail Shell-Proof Frigates--Learning by Experience
How Long Has the Sun Shone and How Long Will it Continue to Shine?
Patent Claims
Issued from the United States Patent Office