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SA Supplements Vol 20 Issue 502supp

SA Supplements

Volume 20, Issue 502supp

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Features

British Experimental Evolutions with Torpedoes and War Ships

The Polyphemus

The Inventions Exhibition, London

The Torpedo Curtain

Torpedoes and Torpedo Boats Considered as a Sole Means of Defense for Seaboard Cities

M. P. Hayes

A New System of Telephonic Communication

On the Conversion of Heat into useful Work

Lecture V

William Anderson

Driving Belts

John Tullis

On Distributing Light and Heat, and Supplying Heated Air to Ordinary Gas-Burners

Frederick Siemens

The Grotto of Ombrives

Premature Appearance of the Periodical Cicada

C. V. Riley

Artificial Epistaxis

J. Leonard Corning

Odors of the Skin and its Appendages

An Improved Calorimeter for Fuel

Departments

Patents - August 15, 1885