SA Supplements Vol 83 Issue 2154supp

SA Supplements

Volume 83, Issue 2154supp

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Features

A Religious Ceremony of the Hopi Indians

An Initiation at Hano in Hopiland, Arizona

J Walter Fewkes

The Main Drainage System of London

George William Humphreys

The Metronome in the Workshop

Inviolable Envelopes

Additive Compounds of Trinitrobenzene

Picking Ice in City Streets with a Scarifier Roller

Europe at Turkey's Door

Historic, Geographic and Economic Data Bearing on Its Future

Leon Dominian

Mechanical Difficulties in the Evolution of the Steam Turbine

Engines for Cargo Boats

Analysis of Vocal Sounds made by Singers

A Navy Ammunition Depot

The Minimum Radiation Visually Perceptible

Henry Norris Russell

Aeroplane Ambulance Work

Sugar Cultivation in Ceylon

Who are the Sane?

The Silver Voltameter as an International Standard for the Measurement of Electric Current

E. B. Rosa, G. W. Vinal

Cleansing the Nose and Throat

Platinum as a Gel or Colloid in the Rocks of the Pacific Coast

Graphic Charts

The Use of the Logarithmic Scale for Charting

John Wenzel

Daylight Saving

George Frederick Kunz

The Healing Art—I

Legends and Lore of its Genesis

Raymond Crawford

Foreign and Colonial Labor in the French Munitions Works

Self-Induction, the Movement of the Earth, and the Æther

Swiss Industrial and Colonial Fair

Departments

Correspondence- April 14, 1917