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Typical Air Exploration

The East African Expedition of the Royal Prussian Meteorological Observatory

Recent Progress in Wireless Telegraphy

Electric Lighting and Power Statistics

Large Percentages of Increase in 1907 Shown by Census Bureaus Report

Proposed Mont Blanc Tunnel

Plant Parasites

Experimental Parasitism in the Higher Plants

By 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

By J. A. Ewing

Automobile Novelties

By Air across the Atlantic Ocean

A Projected Aerial Voyage from Europe to America

By Eugen Alt

The White Man versus the Savage

The Alleged Wonderful Senses of the Savage

By R. S. Woodworth


A Study of the Biggest of Planets

By W. F. Denning

Trade Notes and Formulæ

Engineering Notes

Science Notes


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