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M. Bazin's Roller Steamship

Pneumatic Locks for Canals

By Chauncey N. Dutton

The De Laval Steam Boiler

Briggs Bicycle Attachment

One Hundred Ton Testing Machine

The Hagans Coupled Locomotive

Machine for Drying up a Marsh or for Drawing Water from a Shallow Place

History of Tinfoil

Type Writer Ribbons

By Isidor Furst

Locomotives for Jungfrau Railway

Hot Soda Water Fountain Food Preparations

Iron and Steel Production in France

Disinfectant Soaps

Electrical Notes

Selected Formulæ

Miscellaneous Notes

The Electric Transportation System of Fairmount Park, Philadelphia

The Economy and Utility of Electrical Cooking Apparatus

By John Price Jackson

The Behavior of Argon in X Ray Tubes

Mercury Pumps

Chemical Processes in a Gas Plant

Determination of Sulphur in Coal

The Lower Congo and its People

Echinocystis Lobata

Renewing Old Trees

Stature of Men of Genius

Tobacco in Germany

The Guimet Museum

The Unification of Time

The Observation of Meteors, with Especial Reference to the Leonids

The American Lobster

Acetylene as a Quantitative Reagent



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