Skip to main content


Completion of the Pennsylvania Double Tunnels

A 21½-Knot Battleship

Panama Canal to be Built by Contract

The Status of the Liquid Barretter

Something about Cereal Breakfast Foods

The Need and the Testing of Pure Drugs

By Hugo Erichsen

A Retrospect of the Vanderbilt Cup Race

The Canadian Pacific Railway Company's Irrigation Project

By Kittredge Wheeler

An Electric Powderless, Smokeless, Flashless, and Soundless Gun

By Obed C. Billman

Photographing a Devil Fish--The Chameleon of the Sea

By Charles Frederick Holder

Apparatus for Mixing Different Grades of Rice

A New Method of Propelling a Ship

Sound Deflector for Pianos

Means for Facilitating the Cleansing of Street Catch Basins

Business and Personal Wants


  • Departments

    Science Notes

  • Correspondence

  • Recently Patented Inventions

  • Notes and Queries

  • New Books, Etc.

  • Index of Inventions

  • Patents

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top