Scientific American Magazine

Vermont Gold

Rotary Pump and Engine

Devil's Shoe Strings

Colt's Revolvers in London

To Clean Brass

New Material for Paper

Sawing Fire Wood

Great Railroad Bridge—Maine Mechanics Association

To Mechanics—The Scientific American

Water Wheel Challenge

Welding Steel on Shears' Blades

The Water Wheel Challenge

Condensed Air as a Motive Agent

Coal—New Sources—Consumption

Remarkable Spring

King Snakes and Rattle Snakes

Foreign Crops

New Marine Engines

Locomotive Performances

Engineering Experiment—Testing an Engine

The Copper Mines of Lake Superior

Explosion of a Boiler

Discoveries in Metals

Coal

Improved Slate Frame

Sectional Floating Dock

Warming Buildings

Machine for Cutting Leather

Bird's Patent Steam Boiler

Slide Valves of Steam Engines

Hot Air Furnace

Corrugated Locomotive Tank

The People's Journal

Chicago Mechanics' Fair

Theory of Storms—Predictions of the Weather

Gas from Wood

The Smithsonian Institute Again

Delays are Dangerous

Clubs and Prizes

Beautiful Impressions

Foreign Items of Science and Art

List of Patent Claims

Roofs of Houses

Great Subterranean Road

Gore's Patent Butter Worker

Camphor Insanity

Remedy for Yellow Fever

Important Items

Brown and Boeklen's Improved Bottle for Effervescent Drinks

Potato Digger

Clocks

To Clean Silver Plate

Explosive Burning Fluids

California Academy of Natural Sciences

To Correspondents