SA Supplements Vol 52 Issue 1339supp

SA Supplements

Volume 52, Issue 1339supp

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Features

Biskra

By Our Paris Correspondent

Earth-Carving

Tests of Chemical Manures in the Experimental Fields of Haute-Saône, France

Utilization of Phosphatic Chalks

Explosions of Volatile Vapors in Factories

H. L. Terry

Anatomy and Habits of the Fish

The Hygiene of the Mouth

Byron L. Kesler

A Flint-Stone Piano

Frequency of Alternate Currents

Contemporary Electrical Science

Sugar as a Food

On Sea Charts Formerly used in the Marshall Islands, with Notices on the Navigation of these Islanders in General

Winkler

American Locomotives in England.—III

By A Locomotive Engineer

Wire Rope-Driven Treble Ram Pump

Car Lighting by Acetylene Gas

H. E. Smith

The “Monotype” Composing Machine

Trade Notes and Receipts

Trade Suggestions from United States Consuls

Selected Formulæ

Patents!