SA Supplements

Enormous Passenger Traffic

Distribution of Power to Houses by Rarefied Air

Compressed Air Motor

The Forth Bridge

The Car Coupler Trials at Buffalo, N. Y.

The Clinograph, or Borehole Test

On the Construction of Rolling Cams and Symmetrical Lobed Wheels

The Constitutional Club, Northumberland Avenue

Comparison of Great Guns

Woolens and Worsteds

Two Chamber Organs by Chippendale

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

How to Prevent Curling in Unmounted Photo Prints

The Clarification and Purification of Public Water Supply

Ozokerit

Magnetic Separation of Minerals at Oberlahnstein

Bazin's Rotary Pile

A High-Pressure Influence Electric Machine

Clog Almanacs

Phases of American Progress

Erysipelas.—Its Rapid Cure

Remember the Skin

Acetic Acid from Wood

Whooping Cough

Nutritive Value of the Different Parts of the Grain of Wheat

Patents - October 10, 1885