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Subway Ventilation

New Methods of Tunneling

Magnitude of Commerce on the Lakes

Colonists for Our New Public Lands

A Dozen New Vessels for the Shipping Trust

Wireless Telegraphy and the St. Louis

The Humors of Railroading

Morse's Old Diary and its Prophecy

Wireless Messages to a Moving Train

The Current Supplement

A New Method of Transplanting Large Trees

Improved Paper File

Belt Stretcher

An Automobile Street Car

By W. E. Partridge

Indian Physiognomies

By George Wharton James

An Improved Vaporizer for Gasoline Engines

How a Telescope Was Made at the Jesuit College, Montreal

Railroad Development in Cuba

By I. W. Davies

Queer Caprice of California Woodpeckers

By M. C. Frederick

Business and Personal Wants

Read This Column Carefully-You will find inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us once and we will send you the name address of the party desiring the information. In every case it is necessary to give the number of the inquiry


  • Departments

    Science Notes - January 24, 1903

  • Correspondence - January 24, 1903

  • Recently Patented Inventions - January 24, 1903

  • Index of Inventions - January 24, 1903

  • Patents - January 24, 1903

  • Notes and Queries - January 24, 1903

  • New Books, Etc. - January 24, 1903

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January 24, 1903

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