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Features

German Physicians to the Crown Prince

The Quarantine System of Louisiana

Methods of Disinfection Practiced

By Joseph Holt

Magnetization of Iron

Mr. Case's Carbon Battery

Glass Making

By C. Hanford Henderson

Mixture for Cleaning Grease Spots

Improved Front Slide Lathe

The Development of the Mercurial Air Pump

Class IIa.—Shortened Downward-Driving Pumps

By Silvanus P. Thompson

A New Apparatus for Condensing Gases by Contact with Liquids

By G. Lunge

Making Gold and Silver Salts for Photographic use

By H. C S

A New Vacuum Pan

Kennan's Actinometer

Brushing Machine for Horses

Peculiar Origin of Fires

The Dalrymple-Hay Curve Ranger

The Meteorological Observatory of Mount Ventoux

Glacial Epochs and their Periodicity

By Adolphe D*amp*apos;assier

The Age of the Stars

The Intelligence of Fish

Sun Dials

Cellulose for Finings

Portable Apparatus for Determining Carbon Dioxide in Air

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February 04, 1888

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