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Government Restrictions of Niagara Water Power

Electro-Plating Non-Metallic Articles

Extensive Electrification of German Railroads

Marine Engine Endurance

A Question of Speed

Side Doors for Subway Cars

No Award of the Prize for Humane Slaughtering

The Current Supplement

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

The Kaiser's Silver Flotilla at the Berlin Shipbuilding Exhibition

Further Notes on the Star and Crescent

By C. Field

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

The Trials of the Scout Cruiser Salem

Experiments with a Helicopter

By Otto G. Luyties

Government Tests of Mine Explosives

A Collection of Models of Old London

By Harold J. Shepstone

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

Attachment for Printing Stamps

Book for Fish Hooks

Hook for Garments


  • Departments

    Notes and Queries - July 11, 1908

  • Index of Inventions - July 11, 1908

  • Recently Patented Inventions - July 11, 1908

  • New Books, Etc. - July 11, 1908

  • Patents - July 11, 1908

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