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SA Supplements Vol 48 Issue 1228supp

SA Supplements

Volume 48, Issue 1228supp

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Features

Dresden's Newest Theater

Greek Architecture–The Lighting of Temples

Fan and Engine for Forced Draught

Needed Inventions

Robert Grimshaw

Progress in the Iron and Steel Industries

Cooper and Wigzell's Sounding Apparatus

Charles Bright

Geodetic Operations in the United States

Dr. Hans Meyer's Latest Kilimanjaro Expedition

The Exploring Radioscope

Telephone Service in Foreign Countries

Mammoth Ivory

R. Lydekker

The Preparatory Work in Grapevine Culture

The Grand Canon of the Colorado

Ralph S. Tarr

The Rhinopitheci

Engineering Notes

Trade Suggestions from United States Consuls

Selected Formulæ

Patents!