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Features

The Babcock & Wilcox Water Tube Boiler

Artificial Respiration, The Efficiency of the Water Trap

Two Meteorites

Patent Law and Equity

Household Fungi

The National Academy of Science

A New Industrial School of Art in New York

A Large Ice Machine

Novel Swimming Device

Improved Hot-Blast Boiler Furnace

New Oil-Testing Apparatus

A Novel Thermoscope

Novel Transparent Sign

New Corn Grater

The Columbia

Ants and their Milch Cattle

Natural History Notes

Dust Figures

By Burr Noble

The Chronology of the Telegraph

The Volatile Oil of Mustard

By Wm. L Dudley

Recent Decisions Relating to Patents - May 22, 1880

Miscellaneous Inventions - May 22, 1880

Communications Received - May 22, 1880

Departments

  • Departments

    New Inventions - May 22, 1880

  • Business and Personal - May 22, 1880

  • Notes and Queries - May 22, 1880

  • New Books and Publications - May 22, 1880

  • Index of Inventions - May 22, 1880

  • Patents - May 22, 1880

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May 22, 1880

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