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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

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    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

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July 23, 1892

See the World from a Different Perspective

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