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Features

Chimney for the Narragansett Electric Lighting Company, Providence, R. I

By John T. Henthorn

Experiments on Masonry Arches

Relative Piston Speeds of Oscillating and Other Engines

By C. W. MacCord

Edison's Electric Furnace

Lye Tanks, Oil Cooler, Eschweger Soap

Theory of Drying

New Sounding Apparatus for Submarine Researches

Photographic Chemistry

Lecture II

By R. Meldola

Photography upon a Black Background

Chemistry at the British Association

New Continuous Tube for the Rapid Examination of Sugar Solution in the Polariscope

Effect of Light on Growth

Old and New Physic

Earthquake in Central America

Exercise for Elderly People

By Fernand Lagrange

Puits De Padirac

Pomology

The Fauna of Eastern Turkistan and Thibet

Building Plans and Specifications

Live Stock on Ranges

Micro-Organisms as Insecticides

Useful Engineering Books

Departments

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October 31, 1891

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