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Features

Butter Coloring

The Tails of Comets

State Taxation of Patented Articles

Non-Explosive Kerosene

A Strange Explosion

Dust Explosion in Ehret's Brewery

Engineering Inventions

Latchinoff's Optical Dynamometer

New Rail Fastening

Steam-Boiler Notes

Portable Meteorological Station

Attachment for Pants

A Remarkable Case of Retarded Development

By C. T. Eilet

American Industries--No. 74

A New Tool

A Handy Tool

Miscellaneous Inventions

An Improvement in Iron Fences

A Three Hundred Dollar Turtle

Earth Stars

Natural History Notes

Departments

  • Departments

    New Inventions

  • Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

  • Patents

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August 20, 1881

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