Volume 1, Issue 13
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Features
Improvement in Steam-Engines
Babbitt Metal
A New Aerial Ship
Preserving Railroad Timber
Magnetism on Railroads
Our Railroads
Lever Power in Place of Steam or Water
Steam-Engines for City Railroads
James' Rifled Cannon and Projectile
Hot-Air Ovens for Iron Furnaces
Gould's Improved Window for Submarine Helmets
The Heat-Conducting Power of Metals
Sea-Water and Marine Air
Improved Hydraulic Motor
The Way German Mechanics Work and Live
Pumping Water for Irrigation
Straw Braid and Betsy Baker
To Chemists--A Desideratum
Tinned and Zinced Tubes
A Column of Interesting Varieties
The Largest Water-Wheel in the World
Work of Water-Wheels by Night and Day
Apparatus for Clarifying Cane Juice
The Challenge Cane Crusher
The Illinois State Fair
Telegraphic Science
The Great Balloon
The Steam Plow Prize
Weekly Summary of Inventions
Patent Claims
Issued From the United States Patent Office