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Features

The Nicaragua Canal

By H. C. Taylor

La Louviere Hydraulic Canal Lift

Hydroquinone for Developing Bromide Prints—Hydroquinone Solutions for Keeping

Stripping Negatives

The Invisible Woman

Aluminum Alloys

Water Supply to Steam Boilers

By Thomas T. P. Bruce Warren

Civil Service in Tonkin—Examination of the Literati

Examinations of the Literati at Hue

The Opening of the Pasteur Institute

Yeast: Its Morphology and Culture

Lecture III.

By A. Gordon Salamon

Electricity, Light, and Heat

By C. F. Brackett

Improved Accumulator

By A. Reckenzaun

Phenomena Produced by Electric Discharges on Eastman's Pellicular Paper

By M. E. L. Trouvelot

The Planets for February, 1889

By Royal Hill

Notes on Meteorites

Identity of Origin of Meteorites, Luminous Meteors, and Falling Stars

Animal Arithmetic

By Madame Clemence Royer

Electricity not a Fluid, but a Mode of Motion

Useful Engineering Books

On the Occurrence, of Solid Hydrocarbons in Plants

By Helen C. De S. Abbott and Henry Trimble

Building Plans and Specifications

Departments

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February 02, 1889

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