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SA Supplements Vol 60 Issue 1549supp

SA Supplements

Volume 60, Issue 1549supp

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Features

A British Opinion Concerning Power Gas

The Charlottenburg Polytechnic School's Laboratory for the Testing of Materials

L. Ramakers

The use of Boiler Compounds

William M. Booth

Tea-Making Machinery

Can a Steam Turbine be Started Quicker than a Reciprocating Engine?

A. S. Mann

Economies of Mechanical Draft

Preparation and Compression of Pure Gases for Experimental Work

R. S. Hutton, J. E. Petavel

A Novel Floating Exposition

Diamonds and the Diamond Industry

The Sense of Smell in Ants

Adele M. Fielde

Rhythmic Movements of the Sea

A. Berget

The Beginnings of Counting

Levi Leonard Conant

Clay Products of the United States During 1904

Stroboscopic Observations of Alternating Current Arcs

Some Notes on Nickel-Iron and, Lead Storage Batteries and Accumulator Traction

Solar and Terrestrial Changes

Beginning of the New North Polar Cap of Mars

The Production of Bromine in 1904

Contemporary Electrical Science

Science Notes

Electrical Notes

Trade Notes and Recipes