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SA Supplements Vol 47 Issue 1214supp

SA Supplements

Volume 47, Issue 1214supp

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Features

The Periar Dam

Vitreous Enamels

I.—Early Enamels

Cyril Davenport

Dirigible Air Vessels

The Movable Platform of Saint Ouen

Boiler Flue Drilling Machine

Roller-Feed Planing Machine

Trade Suggestions from United States Consuls

Selected Formulæ

Miscellaneous Notes

Electrical Notes

The Explosion of a Powder Magazine at Toulon, France

Colonial Imports

Varnishes, Etc., used in Building Structures, by Wood Workers, Etc.

Contractors' Electric Locomotives

Jews in Palestine

The Preparation and some of the Properties of Pure Argon

William Ramsay, Morris W. Travers

Calabrian Bergamot

A Cinematograph Camera without Vibrations

Bacteria and their Uses

The Production of Artificial Pearls from the Haliotis

The Mont Blanc Meteorological Observatory

Patents!

Elliott's Recording Voltmeter