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Features

Ragona's Portable Astronomical, Magnetic, and Meteorological Observatory

Rufus Porter, Founder of the Scientific American

Mechanics in Education

The Probelmatic Planet Neith

Door and Gate Latch

Self-Oiling Loose Pulley

Grain Crusher and Disintegrator

Safety Catch for Elevators

Improved Steam Heater

Tinsmith's Roller

The Cholera in 1884

Fumigating Passengers for Cholera

An English Wolf

Mechanical Inventions - September 6, 1884

Engineering Inventions - September 6, 1884

Agricultural Inventions - September 6, 1884

Miscellaneous Inventions - September 6, 1884

Departments

  • Letters

    Correspondence - September 6, 1884

  • Departments

    Business and Personal - September 6, 1884

  • Index of Inventions - September 6, 1884

  • Notes and Queries - September 6, 1884

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