Features
Improved Roller Gin
Niagara Suspension Bridge
Antidote to Mosquitoes
Enormous Gold Boulder Found
List of Patent Claims
Preserving American Grain
Ants.--Their Senses and Habits
Preserving Meat and Fish with Pyroligneous Acid
New Motive Agent
Notes on Science and Foreign Inventions
Ports of Steam Engines
The American Nautilus in England
New Leveling Scraper
The Longest Iron Viaduct in the World
Stephens' Lathe for Jewelers
American Wines
A Great Engineers' Institution
American Steam Plowing
Iron Improvements.--Kelly Versus Bessemer
Strychnine and Hogs
East India Cotton for America
Hoop Skirts and Umbrellas
English Railroad Accomodations
Hungary Water
A Runaway River--A Deserted Town
Enlightened Cities
Applying the Waste Heat of Blast Furnaces to Generate Steam
Copper
American Telegraphers
Correspondents
Mechanics
Inventors, and Manufacturers