Skip to main content

Features

The Forth Bridge

Concerning Telescopes

Progress of Pneumatic Postal Tubes

Improved Door Opener

Apparatus for Testing Sealed Cans

Improved Seal Lock

Car Coupling

Safety Gas Burner

A Steam Wheel, or Rotary Engine

Combined Grain Drier and Cooler

The Sinking of Shafts by Freezing

Automatic Loose Pulley Oiler

Cover for Cooking Utensils

Imitation of Electro-Physiological Apparatus and Electric Tuning-Forks by Hydrodynamic Tuning-Forks

The Improved Hand Loom Eugenie

The Improved Hand Loom Penelope

The Rudder of the Alaska

The Victoria Regia

Agricultural Inventions - April 4, 1885

Special - April 4, 1885

Engineering Inventions - April 4, 1885

Miscellaneous Inventions - April 4, 1885

Foreign Patents - April 4, 1885

Departments

  • Letters

    Correspondence - April 4, 1885

  • Departments

    Business and Personal - April 4, 1885

  • Index of Inventions - April 4, 1885

  • Notes and Queries - April 4, 1885

  • Patents

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
April 04, 1885

Complex Causes. Alternative Solutions.