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A Costly Blunder

Bright Outlook for Better Rails

The Perils of the Long Island Grade Crossing

Designer Fife on the “America” Cup Contest

Good Work by Our Submarines

Perils of Record Target Firing

A Fleet of French Military Airships

Present and Prospective Docking Facilities of the Pacific Coast

By H. A. Crafts

The Current Supplement

A Practical Gliding Craft with Submerged Hydroplanes

Results of the American Automobile Association's Fourth Annual Tour for the Glidden and Hower Trophies

The Inauguration of the New Haven Railroad Electric Service

An Improved Electric Welder

By A. Frederick Collins

The New Vickers-Maxim Automatic Rifle-Caliber Gun

By the English Correspondent of the Scientific American

A Home-Made Airship

By H. G. Moore

An Improved Lath Cutter

An Improvised Tandem

Oddities in Invention

An Improved Bench Stop

Improved Vehicle Wheel


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  • Index of Inventions

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August 03, 1907

Of Shamrocks and Science

Happy St. Patrick’s Day