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SA Supplements Vol 30 Issue 779supp

SA Supplements

Volume 30, Issue 779supp

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Features

Recent Artillery Trials at the Gruson Works

Paper Pulps

Loading Materials and their Uses

The New Hydraulic Laboratory of the Massachusetts Institute of Technology

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

Blast Furnaces at Sheffield, Alabama

The Altmann-Kuppermann Petroleum Motor

The Electromagnet

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

J. H. Burgess

Constituents of Insect Powder

Building Plans and Specifications

Very Neat Puzzles

Useful Engineering Books

Departments

Patents- December 6, 1890