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Features

Progress of the Catskill Water Supply

Better Rails for 1908

Why Erosion is Greater in Large Guns

The Quebec Bridge Disaster

The Cruise of Our Battleships to the Pacific

Science Notes

Completion of the Scientific American Trophy for Heavier-Than-Air Flying Machines

The Seventh International Zoological Congress--Boston Meeting, August 19 to 23, 1907

By William H. Hale

Modern Experimental Psychology--Its Methods and Apparatus

The Erection of the 612-Foot Singer Building

Electric Locomotives of the Pennsylvania Railroad

Moving the Montauk Theater

The Cold Storage of Furs

The Launch of the Caissons Recently Built at the Norfolk Navy Yard

By E. C. Hamner Jr.

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September 07, 1907

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