Excellent Dentrifice

Important to Inventors

Oscillating Engine

Practice of Shoeing Horses

Ink—Notice

Petroleum Spring

Railway Difficulty Settled

The Pacific Railroad—Wall Street Intrigue

Heat of the Sun—Will it Ever Decay

The Panama Railroad

American Wool

Hydrate of Magnesia as an Antidote

The Polar Plant

The William Norris

Foreign Scientific Memoranda

List of Patent Claims

English Railway Statistics

The Ericsson Again

Primer for Fire-Arms

Improved Clamp for Joiners

Lath Machine

Improved Cut-Off

New Tea-Kettle

Improved Rack Rail

New Trip Hammer

Improved Saw Mill

Machine for Dressing Millstones

Improved Throttle Valve

Patent Office Report for 1852—No. 4

Extension of Patents, and Patent Law Suits

Photographs of the Moon

New Rotary Printing Press

Cholera Remedy

Crystal Palace

Recent Foreign Inventions

American and European Naval Architecture

The North-West Passage

To Prevent Steam from Condensing in Pipes

Gilding—No. 1

Lucifer Matches

Sandwich Islands

Water Spouts on the Lake

Saw Tooth Corrector

Mechanics

Manufacturers and Inventors