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Features

The Samoan Islands

The Microscopical Investigation of Rocks

By H. Hensoldt

The Earthquake at Ban-Dai-San, Japan

Census of the Defective Classes

Coca

Figue

The Golden Fronted Woodpecker

By E. M. Hasbrouck

Jandin's Hydro-Pneumatic Dredger

The Light Draught Steamer Burma

Propeller for Pleasure Boats

Sibley College Lectures.-1888-89

By The Cornell University Non-Resident Lecturers in Mechanical Engineering II.—The Governing Proportions of Steam Boilers

By Chas. E. Emery

Brick Street Pavements

Sir William Thomson

The Detroit Storage Battery

Remarkable Experiments With Phonograph and Telephone

Light and Color

Lecture II.

By Captain W. De W. Abney

Proposed International Standards to Control the Analysis of Iron and Steel

By John W. Langley

Recovery of Ammonia and Chlorine in the Ammonia Soda Process

By Fred. Bale

Analysis of “Tobacco Screenings” Rejected in the Manufacture of Tobacco

By L. P. Brown

Bicarbonate of Soda

By E. Solvay

Useful Engineering Books

Building Plans and Specifications

The Action of Light on Water Colors

By Arthur Richardson

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    Patents- March 9, 1889

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March 09, 1889

Scientific American Space & Physics