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The Double Screw Ferryboat Bergen

The Development of the Marine Engine, and the Progress made in Marine Engineering during the Past Fifteen Years

By A. E. Seaton

Fuel Gas and some of its Applications

By Burdett Loomis

The Russian Cruiser Pamiat Azova

Improved Grate Bar


By Thomas Bolas

Frankland's Researches on the Chemistry of Storage Batteries

Hand-Power Dynamo

Photo-Etching upon Copper Plates

Prof. Oliver Lodge, F.R.S.

Use of the Phonograph among the Zuni Indians

By J. Walter Fewkes

Musical Instruments in the New Hebrides

Orchids in Panama

The Filtration of Natural Waters

By Thomas M. Drown

The Black Pepper Vine

Why Oil Calms the Sea

The Treatment of Hæmorrhoids

By Carter B. Higgins

Experiment in Centrifugal Force

Experiment in Conductivity

Building Plans and Specifications

Measurements of Ormonde

Useful Engineering Books


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    Patents- November 1, 1890

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