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Features

The Proposed Naval Memorial Arch

Curiosity and Science

Vast and Increasing Bulk of the Modern Steamship

Decision against the Berliner Microphone Patent

Eros, the Celestial Range Finder

Experiments with Animal Tissue

The Automobile in the Klondike

The Longest Subterranean Telegraph Cable in the World

The Manufacture of Ostrich Feathers

The Old Boonton Forge

Most Powerful Express Locomotive in the World

The Pitch Lake and the Asphalt Industry of Trinidad

Third Rail in the Baltimore Belt Line Tunnel

Solar Motors

By Charles F Holder

A Folding Bunk for Cars and Ships

An Efficient Single-Pull Ceiling-Switch

The Fleming Safety Collar for Shafts

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    Recently Patented Inventions - March 16, 1901

  • Business and Personal Wants - March 16, 1901

  • New Books, Etc. - March 16, 1901

  • Notes and Queries - March 16, 1901

  • Index of Inventions - March 16, 1901

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March 16, 1901

Help Us Reforest the Mississippi River Valley