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Improved Roller Gin

Niagara Suspension Bridge

Nature the Teacher

Antidote to Mosquitoes

List of Patent Claims

Enormous Gold Boulder Found

Ants.--Their Senses and Habits

Preserving Meat and Fish with Pyroligneous Acid

Preserving American Grain

Notes on Science and Foreign Inventions

New Motive Agent

The Longest Iron Viaduct in the World

The American Nautilus in England

Stephens' Lathe for Jewelers

Ports of Steam Engines

New Leveling Scraper

A Great Engineers' Institution

Strychnine and Hogs

Iron Improvements.--Kelly Versus Bessemer

American Wines

American Steam Plowing

A Runaway River--A Deserted Town

Hungary Water

Hoop Skirts and Umbrellas

Enlightened Cities

English Railroad Accomodations

East India Cotton for America


Applying the Waste Heat of Blast Furnaces to Generate Steam

American Telegraphers


The Divining Rod a Deception

American Salt

Experiments with Breech Loading Rifles

Gibbs' Universal Adjustable Clamp

Improved Grist Mill Feeder


Inventors, and Manufacturers

Tanning Cotton and Wheel Hubs


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    July 04, 1857

    20% Sitewide for President's Day