Scientific American Magazine

Railroad Accidents

Hatching Salmon

Brown's Force Pump

Poisonous Adulterations in Cider

Railroad Fares

A Tunnel at Albany

Statistics of Strikes in Britain

Curious Effect of Trying a Cannon

A Good Water Wheel

Geology of the Lead Mines.--No. 2

Copyrights and Patents

Hobb's Locks

Cause of the Burning of the Amazon

Wreck of the U.S. Steam-Frigate Missouri, at Gibraltar

Academy of Sciences in Paris

Dr. Kane's Lectures

Our Advertisements

New Method of Preparing Negative Photographic Paper

Woodworth Patent Monopoly

Brick Machines

Statistics of Coffee

Recent Foreign Inventions

Tubular Tunnel

Improved Ships' Hank

Rifled Cannon

Finlay's Patent Differential Governor

Letter Printing Press—The Typographer

Cut-Off Valve

Monuments to Great Men

Velocity of Light

Parker's Water Wheel

To Subscribers—Our Half Volume

Lyman's Boiler Gauge

World Makers

List of Patent Claims

An Important Paragraph

New Edition of the Patent Laws

New Arrangement

Cure for Toothache

Inventors

Manufacture of Combs

Extinguishing of Fires

On Boilers—No 15

Steamship Baltic

The Orinoco

Yankee Enterprise—Transporting Timber from the Mountains

Saliva

To Correspondents