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Features

The Importance of Cleaning Wheat

By R. James Abernathky

The Manufacture of Dolls at Paris

Highly Volatile Liquids for Propulsion

By A. F. Yarrow

Latent Cold

A New Method of Rolling Tubes

An Improved form of Gas Apparatus

By J. T. Willard

Boiler Explosion at the Friedenshutte

A Recent Improvement in the Platino type Process

By W. Willis

Machine for Manufacturing Beton and Mortars

The Lookout Mountain Inclined Railway

The Pneumatic Dynamite Gun

A Luminous Heat below the Red

E. Raub's New Thermo-Electric Battery

By G. Betz

A New Pattern of Reflecting Galvanometer with Lamp and Scale

By G. L. Addenbrooke

Imperial Quicksilver Mines at Idria, Austria

Wasted Sunbeams—Unused House Tops

By M. Smith

Remedy for Ivy Poisoning

C. R. Agnew, M.D.

Emin Bey (Dr. Schnitzler), Governor of the Provinces of the Equator

The Great American Pyramid and Ruined Cities of Arizona and New Mexico

Tuxpan, Mexico

Economy of Nature

The Ptomaines

By A. P. Luff

Preserving Blood in Fluid State

The Chemical Examination of Resins

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May 12, 1888

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