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Features

Newspaper Heroism, A Safety Throttle for Locomotives, and more

Henry Walter Nernst

A Great Physical Chemist

By William J. Humphreys

Artificial Life

II. Making the Non-Living Do the Work of the Living

By Benjamin C. Gruenberg

Central Station Current for Farms

Advantages of Introducing Electricity into Rural Districts

By T. Commerford Martin and Putnam A Bates

A New System of Bunkering Steamships

The “Herald” and Her Performances

By F. C. Coleman

The Brooks Comet

By W. R. Brooks

How to Make an Engine Crank

By Albert F. Bishop

Suggestions for the Workshop- September 23, 1911

Ingenious Expedients of Resourceful Mechanics

A Leather Cup Die, Combination Pipe and Monkey Wrench, and more

By J. E. Noble

Enlarging a Reamed Hole

By R. P. Albert

Progress of New York's State Barge Canal

By Nobel E. Whitford

Abstracts from Current Periodicals- September 23, 1911

Phases of Science as Other Editors See Them

The Inventor's Department- September 23, 1911

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

Two Latin-American Aviators, The Current Supplement

Departments

  • Letters

    Correspondence- September 23, 1911

  • Recommended

    New Books, Etc.- September 23, 1911

  • Notes and Queries- September 23, 1911

  • Departments

    Recently Patented Inventions- September 23, 1911

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September 23, 1911

Beyond XX and XY

Biology. Identity. Equality.