SA Supplements Vol 69 Issue 1777supp

SA Supplements

Volume 69, Issue 1777supp

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Features

Producer-Gas for Engine Fuel

Conditions to be Met with the Various Fuels Used

E. A. Allcut

The Madras Harbor Works

Sinkings the Pierhead Caisson

Production and uses of Tungsten

Bronze Finishing by means of the Brush

Hoisting Engines and Boiler Parts

Their Proper Designations

River Gagings

Illuminating Engineering

Its Guiding Principles

Silvanus P. Thompson

The Electric Light in Medicine

Differential Indications for its Use

A. D. Rockwell

Cartagena: “The Heroic City”

A Town with a Melodramatic History

Isaac A. Manning

Heat Transmission

The Tercentenary of the Telescope

What the Telescope has Accomplished

J. L. E. Dreyer

The Effect of Tides on the Earth's Crust

The Worr of Dr. Hecker at Potsdam

CH. Lallemand

Insects vs. Fires

Two Methods of Forest Destruction

Charles Richards Dodge

Roosevelt's Trophies

Strange Animals Shot by the Ex-President

The World's Production of Nickel

Photography Scientifically Interpreted

Ludwig W. Guenther

Engineering Notes

Trade Notes and Formulæ