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Features

Meteorological Observatories at Sea

Steel Trackway on Streets

Close of the St. Louis Fair

Death of a Famous Yacht Designer

Baldwin and Santos-Dumont

Radio-Active Minerals

Science Notes - December 10, 1904

Will "Lightwood" Displace the Long-Leaf Pine in Turpentine Distillation?

By Thomas Arthur Smoot

A Sea Voyage on Land

A Simple Burglar Alarm

River Rake for Channel Deepening

By J. Peltier

Skeleton Models of Warships

The Racial Exhibit at the St. Louis Fair

The Use of Electricity in Driving Coal-Conveying Machinery

By Frank C. Perkins

The Roman Galleys Discovered in Lake Nemi

By the Paris Correspondent of the Scientific American

Milking Machine

Improved Exercising Machine

Patent Department

Parlor Bowling Alley

Sheet Metal Vehicle Wheel

Business and Personal Wants

Read this Column Carefully.-You will find inquiries for certain classes of articles numbered 11 consecutive order. If you manufacture these goods write us at once and we will send you the name and address of the party desiring them formation. In every case 11 Is necessary to give the number of the inquiry. Munn &; Co

Departments

  • Departments

    Legal Notes - December 10, 1904

  • Recently Patented Inventions - December 10, 1904

  • Notes and Queries - December 10, 1904

  • New Books, Etc. - December 10, 1904

  • Index of Inventions - December 10, 1904

  • Patents - December 10, 1904

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December 10, 1904

Complex Causes. Alternative Solutions.