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Coal Production in the United States

The Senate and the Armor Plate Question

Prof. Newcomb's Successor

Fire Protection of Tall Buildings

Antarctic Explorers Land

Characteristics of Porto Rico

Carriage Timber Supply

A Curious Means of Disposing of the Dead

Discovery of Two Indian Mummies

By J. M. Baltimore

A Drop-Actuating Mechanism for Seed-Planters

An Improvement in Wrenches

An Efficient Fastener for Stock-Cars

A Sewing-Machine Gage

Some Notable German Arch Bridges

The Electric Cab Service of New York City

A Curious Case of Abnormal Development in a Rattlesnake

An Interesting Explosion of Gas

Antique Chain Armor in the Caucasus Mountains

By E. O. Hovey

The Great Telescope at the Paris Exposition of 1900


  • Letters

    Correspondence - March 25, 1899

  • Recommended

    New Books, Etc. - March 25, 1899

  • Departments

    Business and Personal - March 25, 1899

  • Recently Patented Inventions - March 25, 1899

  • Notes and Queries - March 25, 1899

  • Index of Inventions - March 25, 1899

  • Patents - March 25, 1899

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March 25, 1899

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