Skip to main content

Features

The Need of Efficient Vessels for the Navy

The French Traveling Schools

An Improved Swing Rail Railroad Frog

An Improved Journal Head for Rolls

An Improved Mechanical Carrier

The Columbia Telephone System--Its Factory and Instruments

The Launch of the St. Louis of the American Line

Triple Expansion Engine-Frikart's System

New Dynamometer for use in Anthropometry

The Leading and Glass Painting Industry

Departments

  • Letters

    Correspondence - November 24, 1894

  • Recommended

    New Books and Publications - November 24, 1894

  • Departments

    Notes and Queries - November 24, 1894

  • Business and Personal - November 24, 1894

  • Recently Patented Inventions - November 24, 1894

  • Index of Inventions - November 24, 1894

  • Patents - November 24, 1894

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
November 24, 1894

Beyond XX and XY

Biology. Identity. Equality.

Learn More