Skip to main content


Contagion in Milk

An Improved Car Fender

An Air Brake Stop Cock

A Mediæval Ironclad

A Grader and Amalgamator for Separating Precious Metals

Thomas' Car Fender

A Funeral on the River Spree

Burnham's 13 Inch Drill Press

A Metallic Seal for Envelopes, Etc

Improved Tea and Coffee Strainer

The Park Avenue Improvement in New York City

The Glyptodont

Notable and Curious Watches

To Inventors - April 28, 1894


  • Recommended

    New Books and Publications - April 28, 1894

  • Departments

    Recently Patented Inventions - April 28, 1894

  • Business and Personal - April 28, 1894

  • Index of Inventions - April 28, 1894

  • Notes and Queries - April 28, 1894

  • Patents - April 28, 1894

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
April 28, 1894

See the World from a Different Perspective

Subscribe to Scientific American MIND