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Science Notes

The Rhodesia Railways in South Africa

By Frank C. Perkins

Factors in Painting Woodwork

The Dimensions of the Marine Steamturbine

The Determination of the Principal Dimensions of the Steam Turbine, with Special Reference to Marine Work

By E. M. Speakman

Cataplexy, or Feigning Death

The Cultivation of the Morel

By Jacques Boyer

Unscientific and Scientific Divining Rods

By George M. Hopkins

Concrete Building Blocks

By S. B. Newberry

Armored Concrete.—II

By Henry J. Jones

On the Electric Conductivity of a Vacuum

By J. A. Fleming

Engineering Notes

Trade Notes and Formulæ

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