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Progress and Prospects of the East River Bridge

Professor Morton on the Electric Light

Awards and Honors at Paris

The Electrical Department in the Mechanics Fair, Boston, Mass

The French Industrial Exhibition of 1878

Who Will Invent a Satisfactory Milking Machine?

The Trial of the “Pyx”

A New Fireproof Shutter

New Refrigerator Basket

The Hermetical Sanitary Closet

Ingram Rotary Press at the Paris Exhibition

Astronomical Notes

By Berlin H. Wright

Progress of Our Foreign Trade

California Mining Vs. Farming

A New Foot Power

New Wool Scouring and Rinsing Machine

Washington Memorials in Northamptonshire

A New Measuring Jacket

A New Rheostat

The Umbrella Bird

To Inventors

Communications Received


  • Departments

    New Books and Publications

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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