Skip to main content



The Migration of the Great American Desert

The Mining Debris Problem in California

American Industries, No. 40

Oleomargarine--How it is Made.

Miscellaneous Inventions

New Car Coupling

Automatic Hub Mortising Machine

New Oatmeal Machine

A New Writing Instrument

New Steak-Tendering Mallet

Mechanical Inventions

Boiler Plate Testing Machine

The Elephant Calf and its Mother

Improvement in Potato Diggers


  • Departments

    Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

  • Patents

Purchase To Read More

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