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Features

H. M. S. Sultan

Ship Canals in 1889

Canals in Progress—At Home

By R. E. Peary

Mechanical Birds

Cast Iron Guns

The Hudson's Bay Railway

Mud Docks at Vizagapatam, India

John Ericsson

By C. W. MacCord

American Oil Pipe Lines

La Guayra, Venezuela

Proposed New Tunnel and Gravity Railway between New York and Brooklyn

On Active Oxygen in Vital Phenomena

An Abstract of Original Research

By Benjamin Ward Richardson

Domes and Towers

By J. H. McNamara

Jointed Folding Furniture

Brickmaking Machinery

By M. Powis Bale

Ammonia Stills

Evaporation by Multiple Effect

The Spectrum and its Development

By Gerald F. Yeo

Note on the Photographic Spectra of Uranus and Saturn

By William Huggins and Huggins

The Deterioration of Electrical Conductors

Seeing to a Distance by Electricity

Prof. D. E. Hughes, F.R.S.

Some Recent Speculations on the Origin of petroleum

Building Plans and Specifications

The Babylonian Metrical System

The Nebulæ

Useful Engineering Books

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February 08, 1890

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