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H. M. S. Latona

The Marine Locomotive

The New York and Long Island Tunnel

Modern Gunpowder as a Propellant

By F. W. J. Barker

The Gun Factory of the Forges Et Chantiers at Havre

Electrical Works at Spokane Falls

The Action of Caffeine on the Motor and Respiratory Functions in the Normal State and in Inanition

By MM. Germain See, Lapicque and E. P. Hurd

African Insect Wax

By J. R. Jackson

Scientific Opportunities

By Oliver Lodge

The Bridge of Matches

Artesian Wells in Kansas and Causes of their Flow

By Robert Hay

The Alaska Seal Industry

Atmospheric Dust

By William Marcet

A Process for Decomposing Commercial Nickel and its Salts and Gal Vanically Coating Objects with Pure Nickel

By Gerhard Kruss

Building Plans and Specifications


Useful Engineering Books


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June 21, 1890