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Professor Max Müller

The Liquefaction of Oxygen and Hydrogen, and the Solidifying of Hydrogen

By Raoul Pictet

A Gas-Absorber


Liquefaction of Gases

New 500 H. P. Compound Engines

On the Construction of Vessels to Resist High Internal Pressure

By C. William Siemens

Improved Riveting Machine

Bridges in India


Keir Explosions

By William Nanson Bondsville

Curved Beams

The Paris Exhibition


By M. Berthelot

Japanese Isinglass

By Harry Napier Draper

A New Way of Separating Arsenic from other Metals

By MM. De Clermont and Frommel


By L. F. Nilson and O. Pettersson

Action of Oxygen upon the Acid Chlorides, Bromides, and Iodides of Aluminium

By M. Berthelot

Woodburytype Blocks

By W. B. Woodbury

The Collodio-Chloride Process

By M. Geynet

Improvements in Aniline Colors


By J. Arnaudon

A New Collodion

Recent Improvements in Aniline Blacks

By Antony Guyard

Kallab's Bleaching Process

A Physiological Hint to Photographers

The Hughes Telephone

The Coming Total Solar Eclipse

By J. Norman Lockyer

On the Aerolitic Epoch of November 12th-13th *

By Daniel Kirkwood

A Projection Phoneidosoope

By Geo. H. Stone, Kent*amp*apos;s Hill, Me.

Mineral Phosphates

The Hop as a Vegetable

Canadian Phosphate

Hot Water as a Restorative for Plants

Marechal Niel Rose

Alcohol Dressing in Scalp Wounds

Number of Pulsations of the Heart


Color Blindness

Successful Treatment of Hydrophobia

The Infectious Nature of Yellow Fever

JAMES J. L. DONNET, M. D., Inspector General of Hospitals and Fleets; Honorary Surgeon to the Queen

F. E. Brenzinger, of New York

The Huddersfield College Tourney No. 1

Chess in Literature

Solutions to Problems

A Chapter on Chess Boards


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