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On Protection from Lightning

The Harmonic Telegraph

The Electric Light on Western River Steamers

Responsibility of Employers in Germany

An Invention Wanted

Hot Journals

World's Fair in 1883

The Corundum Mines, Macon County, N. C

Amateur Mechanics

Professor Henry's Big Magnet

New Reference Index

Improved Car Coupling

The Stoner Automatic Scale

The National Academy of Sciences

American Industries--No. 62

Mechanical Inventions

Improvement in Feeding and Watering Live Stock on Cars

New Machine for Washing Bottles

Born Blind and Deaf

By Daniel C. Beard

Communications Received


  • Departments

    Recent Inventions

  • Correspondence

  • Notes and Queries

  • Business and Personal

  • New Books and Publications

  • Index of Inventions

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December 11, 1880

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