SA Supplements Vol 56 Issue 1454supp

SA Supplements

Volume 56, Issue 1454supp

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Features

German Marine Boiler Construction

Frank C. Perkins

Analyses and Tests of Paper

Log-Hauling Motors

Day Allen Willey

The Contal Nut Wrench

Fire Appliances at the Exhibition of German Cities in Dresden

The German Towns Exhibition at Dresden

Faure Type Accumulators

A Prehistoric Settlement

Tea Growing in India

Tangential Waterwheel Efficiencies

Being an Experimental Investigation of the Relative Values of Different Bucket Shapes

George J. Henry

The Improvement in Steel Treatment

The Relations between Scientific Research and Chemical Industry

Apulia

Electrolytic Process for Extracting Antimony from its Sulphureted Ores

Biological Purification of Sewage Water

Electric Peculiarities of the Diamond

An Unusual Form of Capillary Electrometer

Emile Guarini

A Contribution to the Theory of Lightning Rods

Australian Sponges

Electrical Notes

Engineering Notes

Artificial Silk Manufacture in Germany

Trade Suggestions from United States Consuls

Trade Notes and Recipes