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Recent Artillery Trials at the Gruson Works

Loading Materials and their Uses

Paper Pulps

Sulphite Pulp Boiling

The New Hydraulic Laboratory of the Massachusetts Institute of Technology

By George F. Swain

Notes on the Vulcanization and Decay of India Rubber

The United Forge Masters' Association

Stag Hunting Reproduced by Photography

Blast Furnaces at Sheffield, Alabama

The Altmann-Kuppermann Petroleum Motor

The Electromagnet

By Silvanus P. Thompson

Electrical Storms on Pike's Peak

Parkhurst's Electric Motor

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


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December 06, 1890

20% Sitewide for President's Day