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Rotary Pump and Engine

Devil's Shoe Strings

New Material for Paper

Sawing Fire Wood

Vermont Gold

Colt's Revolvers in London

To Clean Brass

Welding Steel on Shears' Blades

To Mechanics—The Scientific American

The Water Wheel Challenge

Coal—New Sources—Consumption

King Snakes and Rattle Snakes

Remarkable Spring

Water Wheel Challenge

Condensed Air as a Motive Agent

Great Railroad Bridge—Maine Mechanics Association

Locomotive Performances

The Copper Mines of Lake Superior

Foreign Crops

New Marine Engines


Discoveries in Metals

Engineering Experiment—Testing an Engine

Explosion of a Boiler

Corrugated Locomotive Tank

Machine for Cutting Leather

Bird's Patent Steam Boiler

Hot Air Furnace

Improved Slate Frame

Sectional Floating Dock

Warming Buildings

Slide Valves of Steam Engines

Beautiful Impressions

The People's Journal

Clubs and Prizes

Delays are Dangerous

The Smithsonian Institute Again

Gas from Wood

Theory of Storms—Predictions of the Weather

Chicago Mechanics' Fair

Remedy for Yellow Fever

Great Subterranean Road

Roofs of Houses

Foreign Items of Science and Art

Camphor Insanity

Gore's Patent Butter Worker

List of Patent Claims

Important Items

To Clean Silver Plate


Explosive Burning Fluids

Brown and Boeklen's Improved Bottle for Effervescent Drinks

California Academy of Natural Sciences

Potato Digger


  • From the Editor

    To Correspondents

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