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The Monumental Fountain at the Paris Exposition

The Paris Exhibition

Manchester Ship Canal—Plant and Machinery

By L. B. Wells

Express Locomotive, Grand Trunk Railway

The Canadian Pacific Railway

By Thomas C. Keefer

The Selkirks

An Improved Globe Valve

Air Compressor

Improved Paint Grinding Mill

Improvements in Ore Dressing Machinery


The Inventors of Photography

A New Determination of the Ohm

The Electrolysis of Common Salt

Cambridge Electric Light Co

American Blast Furnace Practice

A New Secondary Battery

Yeast: Its Morphology and Culture

By A. Gordon Salamon

The Colorado Oil Fields

By J. S. Newberry

The Egyptian Papyrus, Tapa, and Ancient Mexican Paper

Views in Guatemala

Detection of Antimony

By Alexander Johnstone

Useful Engineering Books

Building Plans and Specifications

Recovery of Tin from Scrap

By A. S. Ramage


  • Departments

    Patents- February 16, 1889

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