Skip to main content

Features

Electricity in Mines

The Proposed Naval Appropriation

Salt Water Fire Protection for New York City

Emission of N-Rays by the Human Body, Especially the Muscles and Nerves

Fleets in the Far East--An English Review of the Position of Russia and Japan

By Archibald S. Hurd

Submarine Sound Telegraphy

A Powerful Compressed Air Clamp

Safety Hook Provided with Counting Mechanism

Novel Appliances for Fighting Fire

Modern Flour Milling

The Disabled Russian Cruiser "Novik."

The Parasite of the Oak Pruner

By S. Frank Aaron

Early Armorclads

By C. Field

Business and Personal Wants

Departments

  • Departments

    Science Notes - February 27, 1904

  • Legal Notes - February 27, 1904

  • Recently Patented Inventions - February 27, 1904

  • Notes and Queries - February 27, 1904

  • Index of Inventions - February 27, 1904

  • Patents - February 27, 1903

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
February 27, 1904

Think Outside the Gift Box