Skip to main content


Inventors at the World's Fair

Defective Boilers and Incompetent Engineers

A Salt Sprinkler for Table Use

Improved Method of Handling Nitro-Glycerine

An Improved Boiler Furnace

Improved Steam Whistles

Eruption of the Volcano of Etna

Great Mineral Water Baths

Cyrus W. Field

Inexpensive Electric Motors

A Visit to Chalcedony Park, Arizona

By H. C. Hovey

The Water Lily House at Kew


  • Departments

    Recently Patented Inventions- July 23, 1892

  • To Inventors- July 23, 1892

  • Index of Inventions- July 23, 1892

  • Business and Personal- July 23, 1892

  • Notes and Queries- July 23, 1892

  • Patents- July 23, 1892

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
July 23, 1892

20% Sitewide for President's Day