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SA Supplements Vol 30 Issue 768supp

SA Supplements

Volume 30, Issue 768supp

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Features

The Diagrammometer

Instruments for Drawing Curves

C. W. MacCord

How Turpentine is Collected and Manufactured

Removing Grease from and Bleaching Textile Materials

Otto of Rose

Water Softening Apparatus for Steam Boiler Feed

Color and Coloring

A. H. Church

Grain or Net Negatives for Process Work

Charles Bourseul

Progress of Electric Welding

Electricity in Warfare

Lieut. Bradley A. Fiske

The Velocities of Projectiles

The Sparrow's Point Marine Plant of the Pennsylvania Steel Company

Improved Life Buoy

Chest Development in Young Persons

John J. Berry

Dr. Richardson on Alcohol

The Solution and Redeposition of Carbonate of Lime by Sea Water

The Glow of Phosphorus

The Food of the Birds

H. A. Macpherson

New Strawberries

Building Plans and Specifications

The “Barking Sands” of the Hawaiian Islands

Useful Engineering Books

Departments

Patents- September 20, 1890