SA Supplements

Egyptian Lustral Water Vessels

Charbon Vaccination

Malleable Bronze

Solar Apparatus

Pittsburg and her Manufactures

Verity's Coupling Sleeve

The Life-Line Projector

Universal Machine for Working Metals

Stopping Mechanism for Spinning Frames

Machine for Bending Iron Plate

Improved Refrigerating Machine

Universal Moulding Machine

Central Friction Gearing

The Tiring and Untiring of Car and Locomotive Wheels by Gas

Von Grass-Klanin's Steel Band Press

Automatic Regulator for Machines for Giving Luster to Threads

The Telephone—From 1837 to 1882

Gelatino-Chloride of Silver Pictures by Development

Apparatus for Measuring High Pressures in Liquids

Albuminated Ferrous Borotartrate

Camphorated Chloride of Calcium

On Crystallized Anhydrous Grape-Sugar

Separation of Ether

Sick Headache

The Action of Sulphureted Hydrogen upon Compounds Containing Oxide of Iron

Charles Robert Darwin

An Elephant's Head

The Ladder-Back Adder

A New Depredator Infesting Wheat-Stalks

Blackberries in Delaware

Patents