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The Plague of Crickets in Algeria

On the Mental Faculties of Anthropopithecus Calvus

Ethnology of the Coast Indian Tribes of Alaska

By Ensign A. P. Niblack

The Planet Uranus

Remarkable Discoveries in Egypt

A Hydrostatic Balance


The English Engine on the Pennsylvania Railway

The Railways of India

Telephonic Vibrations

On the Limit between Polarization and Electrolysis

By M. H. Pellat

New Prussian Blue

Constant Current versus Constant Potential Electric Motors

Bleaching of Woolen Rags

By A. Horwitz

Bleaching of Jute

By Oscar Meesters

On Warp Weaving and Knitting, without Weft

By Arthur Paget

The Libby Composite Bars

Condensation of Carbon Particles in Smoke

By R. Irvine

Alloys of Nickel and Steel

By James Riley

Aluminum and its Extraction on a Commercial Basis

By F. J. Seymour

Industrial Applications of Thermo-Chemistry

By Samuel Rideal

Spontaneous Ignition

Useful Engineering Books

Brin's Oxygen Works

Building Plans and Specifications

Oxalic Fermentation


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August 24, 1889