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Features

Good Roads that are Permanent, Sound in the Universe, and more

The Guardian of Ninety Million Stomachs

Dr. Harvey W. Wiley ot the Bureau of Chemistry

By William Atherton Du Puy

The Battleship “Utah”

Our Latest Dreadnought

Casting Cement Building Walls on the Ground

A Church Built in a Novel Way

A Sundial as an Accurate Time-piece

A Spot of Light That Tells the Time of Day

Abstracts from Current Periodicals- July 29, 1911

Phases of Science as Other Editors See Them

The Original Paper Makers

The Paper Wasp and its Life from Egg Until Death

By Paul Griswold Howes

An Experiment with Aluminium Powder

By Gustave Michaud

Simple Electric Furnace

By C. C. Kiplinger

Making Oxygen in Moderate Quantities

By A. J. Jarman

The Inventor's Department- July 29, 1911

Simple Patent Law; Patent Office News; Inventions New and Interesting

1912 Prospects for Automobile Industry

By Hugh Chalmers

Departments

  • Letters

    Correspondence- July 29, 1911

  • Recommended

    New Books, Etc.- July 29, 1911

  • Departments

    The Heavens in August 1911

  • Recently Patented Inventions- July 29, 1911

  • Notes and Queries- July 29, 1911

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial