A Ship Illuminated by Gas

Incrustations of Boilers

Import of Sperm and Whale Oil

Tobacco at the North

Cinder Basket

Bushnell's Self-Feeding Hand Drill

Imponderable Agents.—No. 7

[Second Series]

The Bull-Bush Caterpillar of New Zealand

Australian Enterprize

Hay Meal

Californian Mastodon

Old Coins

Cancer Cured

Awards of our Prizes

List of Patent Claims

Quartz Crusher Experiments

Illumination—Gas Light

Why do Teeth Decay

Fastening Shoemakers' Tools to the Handles

Feeding Printing Presses

Setting Carriage Axles

Governor for Marine Engines

Improved Turn-Table

Improvement in Devices for Rail Cars

Improvement in Railroad Tracks

Recent Foreign Inventions

Application of Chloroform

Cheap Ocean Postage

Law of Freezing Water—Beautiful Adjustment

Purifying Fish Oils without Heat

The Caloric Ship Ericsson

Uniformity of Weights and Measures

The San Francisco

Reports of the Crystal Palace Juries

Adulteration of Drugs and Medicines

Foreign Scientific Memoranda

Cotton in the United States

The Mackerel Fisheries

Crystal Palace

Indelible Inks, and Paper

On the Probable Depth of the Ocean of the European Chalk Deposits

To Prepare Pure Caustic Potash

Improved Auger Handle

Papyri at Herculaneum

Leeds' Patent Ventilator

Trial of Pumps

Mechanics

Manufacturers and Inventors