Skip to main content


The Undulatory Theory of Odors

Gas Meters as Helps to Fires

The Edison Electric Light

Aspects of the Planets for January

The Modified Instincts of a Blind Cat

By H. C. Hovey

American Industries--No. 85

Sheffield Section Hand Car

Boys' Power Meter

Protector for Buildings

Automatic Fly Fan

The Brush-Swan Electric Light

Communications Received


  • Departments

    Notes and Queries

  • Business and Personal

  • New Books and Publications

  • Index of Inventions

Purchase To Read More

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

The Essential Guide to the Modern World

The Essential Guide to the Modern World