SA Supplements Vol 21 Issue 523supp

SA Supplements

Volume 21, Issue 523supp

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Features

Goubet's Submarine Torpedo Boat

Scientific Method in Mechanical Engineering

Coleman Sellers

Davies' System of Railway Rail-Fastening

H.M.S. Irrawaddy

The Vacuum Automatic Brake

Destruction of Ordnance by Gun-Cotton

A New Condensation Hygrometer

The Wackernie Filter

Berthon and Debenoit's Water Meter

Forge and Workshop for Amateurs

Ochorowicz's Thermomicrophone

Intermittent Siphons

Mineralogical Microscope

Disruptive Discharges through Solids and Liquids

Tarquem Messrs, Damien

Of the Theory of the Electro-Magnetic Telephone Transmitter

M. E. Mercadier

The Telephone Question

The Telephone Litigation.—The Dolbear Case

The Glynde Telpher Line

The American Public Health Association

Unilateral Hallucinations

William A. Hammond

Uintahite Asphaltum

W. P. Blake

A Common Edible Fungus

An Iron Pillar in the Punjab (Hindostan), Near Delhi

Can a Celestial Body Fall to the Center of its Attraction ?

Departments

Patents - January 9, 1886