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Enormous Passenger Traffic

Compressed Air Motor

Distribution of Power to Houses by Rarefied Air

The Forth Bridge

By Thomas C. Clarke

The Car Coupler Trials at Buffalo, N. Y.

The Clinograph, or Borehole Test

On the Construction of Rolling Cams and Symmetrical Lobed Wheels

By C. W. MacCord

The Constitutional Club, Northumberland Avenue

Comparison of Great Guns

How to Prevent Curling in Unmounted Photo Prints

Some Easy Ways of making Grain Plates or Surfaces for Photo-Mechanical Printing Processes

Two Chamber Organs by Chippendale

Woolens and Worsteds


The Clarification and Purification of Public Water Supply

By L. H. Gardner

Magnetic Separation of Minerals at Oberlahnstein

By O. Heberle

Bazin's Rotary Pile

A High-Pressure Influence Electric Machine

By Walther Hempel

Phases of American Progress

Clog Almanacs

Acetic Acid from Wood

Erysipelas.—Its Rapid Cure

Remember the Skin

Nutritive Value of the Different Parts of the Grain of Wheat

Whooping Cough


  • Departments

    Patents - October 10, 1885

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