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Features

Liverpool (Vyrnwy) Water Works

The Valley of Llanwddyn

The New Belgian Mail Steamboat Princesse Josephine

Cheap Taps

Improved Fire Extinguishing Apparatus for Steam Vessels

By H. C. Carver

Railway on Afghan Frontier of India

The Future of Phosphates in the United States and in Canada

The Recovery of Tin from Tin Plate

How the World's Highest Mountain was Photographed

Improved Washing Machine for Textile Fabrics

Coloration of a Coal Fire by Common Salt

By Norman Leonard

The Electric Light at the Adelphi Theater

Detection of Antimony in Minerals

By Alexander Johnstone

Boric Acid

Bichromate Batteries for Domestic Electric Lighting

Light and Color

By W. De W. Abney

Gymnastic Exercises and Apparatus

Are there Other Speech Centers Besides the one of Broca ?

By Z. H. Evans

Charles Stewart Stone

Gen. Boulanger

Building Plans and Specifications

Malden Island

Useful Engineering Books

Departments

  • Departments

    Patents - March 23, 1889

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial