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Compound Hydraulic Presses

Jet Propellers.—Hydraulic Propulsion of Vessels

The New Army Gun

Combustion, Fire-Boxes, and Steam Boilers

By John A. Coleman

Atlantic Steamers

By W. John

Celebration of the Five Hundredth Anniversary of the University of Heidelberg, August, 1886

Manufacture of Leather in Russia

Examination Questions in General Construction

Impurities in Photographic Chemicals, and Tests for Same

The Catastrophe at Chancelade

Somzee's New Gas-Burners

A New Thermo-Regulator

The Clamond Gas Burner

Pipette for Taking the Density of Liquids

Useful Bags, and How to make them

By John T. Humphrey

Molasses, How Made

Primitive Iron Manufacture

Wood Oil


By Henry Leffmann

Cohesion and Cohesion Figures

By William Ackroyd

Probable Isolation of Fluorine. Decomposition of Hydrofluoric Acid by an Electric Current

By M. H. Moissan

Optical Errors and Human Mistakes

By Ernst Gundlach

The Determination of Nitric Acid by the Absorption of Nitric Oxide in a Standard Solution of Permanganate of Potassium

By H. N. Morse and A. F. Linn

Water of Crystallization

By W. W. J. Nicol

A Century Plant in Bloom

Alpine Flowers in the Pyrenees

A New Apparatus for the Study of Cardiac Drugs

By William Gilman Thompson

Creosote a Specific for Erysipelas


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    October 02, 1886