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SA Supplements Vol 28 Issue 715supp

SA Supplements

Volume 28, Issue 715supp

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Features

On Gas Engines

Edward Delamare-Deboutteville

The Manchester Ship Canal

Wire Straightening Machine

Recent Improvements in the PulsoMeter

Armor Plate

Military Velocipede in France

Elias Loomis the Physicist

H. C. Hovey

Thermometers

Frank Browne

A Portable Sun Dial

The Ageing of Logwood

The United States—Their Growth in Population in two Hundred Years

Luminous Night Clouds

Process of Preventing the Oxidation of Metals While in a Heated Condition

Gorge Wyckoff Cummins, James Henry Coleman

The New Museum of Natural History, Vienna

Zoology a Hundred Years Ago

The Fall of a Factory Chimney

On the Purification of Alcohol by means of Hydrocarbons

W. S. Squire

Useful Engineering Books

Building Plans and Specifications

Departments

Patents- September 14, 1889