SA Supplements Vol 17 Issue 434supp

SA Supplements

Volume 17, Issue 434supp

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Features

Test–Pieces

Street Elevator at Stockholm

Protection from Fires in Theaters

Vogel's Valves for Pulsometers

D'Arsonval's Multiple Gas Burners

Submarine Explorations

A Good Intensifier for Gelatine Plates

Ramie—A Recent Industry

Apparatus for the Manufacture of Carbonate of Strontium

Mont Dore, West Kirby, Cheshire

The Crystallization of Phosphoric Acid

P. L. Huskisson

Incubators for Infants

Atomation of Oxygen at Elevated Temperatures, and the Production of Hydrogen Peroxide and Ammonium Nitrite, and the Non–Isolation of Ozone in the Burning of Purified Hydrogen and Hydrocarbons in Purified Air

Albert R. Leeds

Croton Oil

Recent Progress in Dynamo Electric Machines

Silvanus P. Thompson

The Honey Ants of the Garden of the Gods

Composition of Manure

The Indians of New Mexico

Culture of Raspberries

Departments

Patents - April 26, 1884