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SA Supplements Vol 23 Issue 593supp

SA Supplements

May 1887

Volume 23, Issue 593supp

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Features

Drawbridge over the Harlem River

Early Experiments in Steam Navigation

Light Draught River Steamer

Topolobampo

Traction Increasers

The Pneumatic Dynamite Torpedo Gun

Military Aeronautics

Gold Mining Machinery

Gun Steel

The Lewis-Bartlett Process of Lead Smelting

William Ramsay

Parisian Carpet Loom

Balloon Varnishes

Climate in its Relation to Health

G. V. Poore

The Scallop and its Fishery

Ernest Ingersoll

Theatrical Firearms

Detection of Chloroform

Charles Ludeking

A New Storage Battery

Giuseppe Verdi

Building Plans and Specifications

Departments

Patents - May 14, 1887