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Scientific American Magazine Vol 99 Issue 2

Scientific American Magazine

Volume 99, Issue 2

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Features

Electro-Plating Non-Metallic Articles

A Question of Speed

Side Doors for Subway Cars

Government Restrictions of Niagara Water Power

Marine Engine Endurance

Extensive Electrification of German Railroads

Official Meteorological Summary, New York, N. Y., June, 1908

Further Notes on the Star and Crescent

C. Field

The Kaiser's Silver Flotilla at the Berlin Shipbuilding Exhibition

The Current Supplement

No Award of the Prize for Humane Slaughtering

Successful Test of New York's New High-Pressure Fire Service

The Trials of the Scout Cruiser Salem

Experiments with a Helicopter

Otto G. Luyties

Government Tests of Mine Explosives

A Collection of Models of Old London

Harold J. Shepstone

The First Trial Flight of an Aeroplane for the Scientific American Trophy

Book for Fish Hooks

Hook for Garments

Attachment for Printing Stamps

Departments

New Books, Etc. - July 11, 1908

Recently Patented Inventions - July 11, 1908

Index of Inventions - July 11, 1908

Notes and Queries - July 11, 1908

Patents - July 11, 1908