Volume 5, Issue 25
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Features
Notes on Military and Naval Affairs
Report of the Secretary of the Treasury
Report on Iron-Clad War Vessels
The Geological History of North America
Hardening and Tempering Tools and Metals
Chemistry of Iron
Scissor Nippers
To Our Friends
Now is the Time to form Clubs
Iron War Vessels
Giffard's Injector for Elevating Water
Franklinite
Why Will Not Wet Wood Burn?
Reforms of the British Colonial Patent System
Notes of Shipbuilding and the Construction of Machinery in New York and Vicinity
Recent American Inventions
An Ingenious Attempt to Reduce Damages
Patent Claims
Issued from the United States Patent Office