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Features

Compressing Air by Falling Water

Employers' Liabilities

American Naval Defenses

The Hudson River Tunnel

The Landing of the Obelisk

Railway Improvements

Improved Velocipede

Miscellaneous Inventions

Novel Hand Sewing Tool

A Novel Importation

The Fair of the American Institute

A Result of the Mississippi Jetties

Strength of Yellow Pine

Great and Sudden Changes of Temperature

The British Association Meeting

The Franklin Search Expedition

American Industries.--No. 57

The Manufacture of Parlor Furniture.

A Novel Tent

Engineering Inventions

Improved Die Stock

The Mollusks at the Berlin Fishery Exhibition

The Coral Signet of the King of Italy

A New Acid Pump

Standard Wire Gauges

By M. W. Griswold

An Important Shoe Machine Patent Case

$200,000 Worth of Rifles

Departments

  • Departments

    Recent Inventions

  • Business and Personal

  • New Books and Publications

  • Notes and Queries

  • Index of Inventions

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October 09, 1880

Music's Mysterious Power

Music's Mysterious Power

Emotional. Cognitive. Therapeutic.