Volume 15, Issue 1
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Features
Crooked on Disinfectants
Ruggles's Shaft Coupling
Gun-Paper
Useful Plants
Growth of Our Navy
Improved Portable Steam Engine
Interesting to Oil Men and Miners
The War Powers of Europe and America
The Non-Recoil Gun
Miscellaneous Summary
Low's Shingle Machine
The Ames Gun
New Steamboat Fuel
The Scientific American---Commencement of Volume Xv
Honors to Mechanical Engineering
Iron-clad Ships
The Adaptation of Implements to Labor and the Laborer
Allen's Improved Valve
Improved Steam Boiler
The Value of Timber
The Culture and Manufacture of Silk
Paris Universal Exhibition
Patents in Congress Again
Patent Claims
Issued from the U. S. Patent Office