Skip to main content

Features

A Gross Violation of Principle

The Great Central Railway of England

New York Truant School

Geographical Names as Legitimate Trade Marks

Admiral Colomb on the Spanish War

Testing Acetylene Generators

Insect Migrations

By C. F. Holder

Trick Wood Joining

A Machine for Filtering Liquids

The Multiphone

A Simple Pipe-Hanger

An Improvement in Smoke-Consumers

The Improved Turrets of the Battleship "Texas"

By Robert W. Henderson

Quadruple Compound Harmonic Motion

By M. J. Hoferer

The Late Prof. O. C. Marsh

Telephotography

To Inventors - April 1, 1899

Departments

  • Letters

    Correspondence - April 1, 1899

  • Recommended

    New Books, Etc. - April 1, 1899

  • Departments

    Recently Patented Inventions - April 1, 1899

  • Business and Personal - April 1, 1899

  • Notes and Queries - April 1, 1899

  • Index of Inventions - April 1, 1899

  • Patents - April 1, 1899

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
April 01, 1899

Think Outside the Gift Box