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Work on the Simplon Tunnel

Increasing Railroad Fatalities

The Mining Debris Problem in California

The Ventilation of the Subway

The Automobile and its Utility in the Industrial Development of Latin America

By Marrion Wilcox

A Carboy Inclinator

By A. Frederick Collins

Revolving Scrubbing Machine

An Improved Cattle Guard

Recent Automobile and Motor-Boat Speed Records

The Miethe Color Projector

By Our Berlin Correspondent

The German National Pavilion at St. Louis

The Cultivation of Tea in Ceylon

By Charles C. Johnson

The Water Organ--A Roman Keyboard Instrument

By F. W. Galp1n

A Curious Piece of Casting

Tomato Vines Thirty Feet Long

By H. L. Jones

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 at once and we will send you the name and address of the party desiring the information...


  • Departments

    Correspondence - November 19, 1904

  • Legal Notes - November 19, 1904

  • Recently Patented Inventions - November 19, 1904

  • Index of Inventions - November 19, 1904

  • New Books, Etc. - November 19, 1904

  • Notes and Queries - November 19, 1904

  • Patents - November 19, 1904

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