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Features

Aerial Locomotion

With a few notes of progress in the construction of an aerodrome

By Alexander Graham Bell

Recent Improvements in Machinery for Drying Different Products

By S. E. Worrell

The Birth and Affinities of Crystals

The Saunders System of Sewn Boats

Artificial Fertilizers: Their Nature and Function.—I

The nutrition of the plant

By A. D. Hall

The Enrichment of Liquid Fuels

The Sanitary Engineering Problems of Water Supply and Sewage Disposal in New York City

By George A. Soper

The Operation of Mechanical Devices at a Distance by means of the Wireless Transmission of Energy

By Alfred Gradenwitz

Artificial Fireproof Stones

The Varied uses of Cypress

Sir J. Crichton Browne on Ambidexterity

Modern Methods of Photometry

By Victor Quittner

The Place of Origin of the Moon—The Volcanic Problem

By William H. Pickering

Trade Notes and Formulæ

Departments

  • Remarkable Eyes of Old Men and Primitive Peoples

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June 08, 1907

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