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Local Magnetic Disturbances and the Genesis of Petroleum

Non-Toxic Coffee and Tea

The Fifth Vanderbilt Cup Race and the Good Roads Tour From New York to Atlanta




Archaeological Relics from the Sea

By Ferdinand Worthington

Our Aeronautical Organization

By C. H. Claudy

The Renaissance Clergy and Science

Magnetism and the Breaking of Watch Springs

Trials of the New “Dreadnought”--“North Dakota”

Making Alcohol from Wood Waste

The Record Flights of Count De Lambert and Henry Farman

Handy Man's Workshop

A Simple Method of Laying Out a Sun Dial

By F. Willard Browne

A Close-Corner Screw Driver

By Herbert S. Davis

Experimental Color Making with Simple Chemical Solutions

By A. J. Jarman

An Interesting Paradox

By C. S. Bourne

Filter for Cisterns

By Charles Brecht


  • Departments


  • Notes and Queries

  • Recently Patented Inventions

  • Index of Inventions

  • Patents

  • New Books, Etc.

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