Skip to main content


Opportunities for Invention

Recent Armor Plate Trials

Experiments with Soap Bubbles

A Convenient Ribbon Holder

An Improved Window Screen

Old Clocks

Lighthouses, Lightships, and Buoys

Manufacture of Felt Hats

The Columbia

The Otocyon


  • Letters

    Correspondence- September 10, 1892

  • Departments

    Recently Patented Inventions- September 10, 1892

  • Business and Personal- September 10, 1892

  • Notes & Queries- September 10, 1892

  • Index of Inventions- September 10, 1892

  • To Inventors- September 10, 1892

Purchase To Read More

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