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The Tails of Comets

Butter Coloring

State Taxation of Patented Articles

Non-Explosive Kerosene

A Strange Explosion

Dust Explosion in Ehret's Brewery

Latchinoff's Optical Dynamometer

Engineering Inventions

Portable Meteorological Station

New Rail Fastening

Steam-Boiler Notes

A Remarkable Case of Retarded Development

By C. T. Eilet

Attachment for Pants

American Industries--No. 74

Miscellaneous Inventions

A Handy Tool

An Improvement in Iron Fences

A New Tool

A Three Hundred Dollar Turtle

Earth Stars

Natural History Notes


  • Departments

    New Inventions

  • Recent Inventions

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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August 20, 1881

Of Shamrocks and Science

Happy St. Patrick’s Day