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Recent Artillery Trials at the Gruson Works

Paper Pulps

Loading Materials and their Uses

The New Hydraulic Laboratory of the Massachusetts Institute of Technology

By George F. Swain

Sulphite Pulp Boiling

Notes on the Vulcanization and Decay of India Rubber

The United Forge Masters' Association

Stag Hunting Reproduced by Photography

The Altmann-Kuppermann Petroleum Motor

Blast Furnaces at Sheffield, Alabama

The Electromagnet

By Silvanus P. Thompson

Parkhurst's Electric Motor

Electrical Storms on Pike's Peak

Concerning Spiders

A Fallen Leaf

Changes in Color of Hair and Feathers

Ancient Byzantium

By J. H. Burgess

Building Plans and Specifications

Constituents of Insect Powder

Useful Engineering Books

Very Neat Puzzles


  • Departments

    Patents- December 6, 1890

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