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Features

Arsenic Needed for the Body and Found in Different Foods

Experiments on the Mosquito

By T. H. Evans

Elevator Fatalities and Their Prevention

Big Guns for Future Warships

Automobile Notes

Municipal Bakery Experiments in Sicily

Automobile Steel Specialties

By George E. Walsh

The Diving Horse

Transportable Wireless Telegraph Station for War Purposes

By Our Berlin Correspondent

The Taxometer

Insect Wings

By S. Frank Aaion

Dastardly Attempt to Wreck the "Connecticut"

The "Cire-Perdue" Process of Bronze Casting

Exhibits in the Boiler House and the Palace of Machinery, St. Louis

By the Special Correspondent of the Scientific American

A Novel Suspension Bridge

By Charles B. Hayward

A Portable Pneumatic Duster

Patent Department

Convertible Wrench and Vise

Oddities in Invention

Fruit and Potato Sorter

Device for Muffling the Exhaust from Engines

Business and Personal Wants

HEAD THIS COLUMN CAREFULLY.-You will tind inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us at once and we will Fend you the name and address of the party desiring the information. In every ease it is necessary to give the number of the inquiry

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    Correspondence - October 15, 1904

  • Recently Patented Inventions - October 15, 1904

  • Index of Inventions - October 15, 1904

  • New Books, Etc. - October 15, 1904

  • Notes and Queries - October 15, 1904

  • Patents - October 15, 1904

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October 15, 1904

See the World from a Different Perspective

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