Volume 4, Issue 1
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Features
Georgia Rail Road
A Great Rope
Vermont Central Rail Road
Ely's Railway Station Index
Another Diving Bell
The Ogdensburg Railroad
The Ogdensburg Railroad
Waiting and Watching
Railways in England
Irish Trade Since the Union
Hydrophobia--Important Theory
Another Gold Mine
Gold, Gold
Salt Water and Fresh
Copperas a Disinfectant
The Ring of Saturn
Optical Illusions
Mercury
Chalk in the United States
New Locomotive Boiler for Using Anthracite Coal
Secrets of Ventilation
Turnip Meal
Chinese Barber
Quince Marmalade
On the Proportion of Nutriment to the Means of Living
Preserving Fruit
Sympathetic Inks
Small Critics
Animal-Shaped Mounds of Wisconsin
The Dead Sea Expedition
Wire Fence
Improved Lifting and Force Pump
The Great Britain
Water Wheels
Prevention of Steam Boiler Explosions
List of Patent Claims
That Engine
A New Instrument
Who Shall I Get to Take Out My Patent ?
Regulating Motion
An Air Navigator
Inventor's Claims
Straw Cutters