SA Supplements Vol 70 Issue 1800supp

SA Supplements

Volume 70, Issue 1800supp

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Features

Typical Air Exploration

The East African Expedition of the Royal Prussian Meteorological Observatory

Recent Progress in Wireless Telegraphy

Proposed Mont Blanc Tunnel

Electric Lighting and Power Statistics

Large Percentages of Increase in 1907 Shown by Census Bureaus Report

Plant Parasites

Experimental Parasitism in the Higher Plants

D. T. Macdougal

A Notable Bridge

The Assopos Viaduct on the Piraeus Railway. BY the English Correspondent of the Scientific American

Gutta-Percha and Substitutes

Their Production, Manufacture, and Commercial Uses

Lord Kelvin.—II

His Work in Telegraphy and Navigation

J. A. Ewing

Automobile Novelties

By Air across the Atlantic Ocean

A Projected Aerial Voyage from Europe to America

Eugen Alt

The White Man versus the Savage

The Alleged Wonderful Senses of the Savage

R. S. Woodworth

Jupiter

A Study of the Biggest of Planets

W. F. Denning

Trade Notes and Formulæ

Engineering Notes

Science Notes