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Features

The New Mausoleum

The Face

By A. H. Thompson

Brazil

The Wash-Out Process for Photo-Engraving

By W. T. Wilkinson

Canning Fruit

The Monochord

The Manufacture of Aluminum from Cryolite

Vulcanization of Rubber

By Richard Gerner

The Phonotelemeter

Simple Way to make Porous Waterproof Cloth

The Water Barometer of St. James' Tower

The Walker Engineering Laboratories

The Twin Screw Steamer Columbia

Irrigation in California

By Wm. Hammond Hall

Cookery for Workingmen's Wives

Buiding Plans and Specifications

Useful Engineering Books

Departments

  • The Photographing of Artillery Projectiles Traveling through the Air at a High Velocity

  • Departments

    Patents- January 4, 1890

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January 04, 1890

Think Outside the Gift Box