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Nansen's Greenland Expedition

Canadian Pacific Railway, British Columbia

Across Greenland on Snow Shoes

The Volcanic Region of Hawaii

Among the Pennsylvania Slate Quarries

By George P. Merrill

A Plague of Flies

The Brown Paca

Parasites of the Vegetable Kingdom

The Poison Apparatus of the Mosquito

By G. Macloskie

On Organic Matter in the Atmosphere

By Marion Talbot

Daisy Trees

(OLEARIAS.)

Yeast: Its Morphology and Culture

By A. Gordon Salamon

Dangers Attending Labor in the London Docks

The Gases of the Blood

By John Gray McKendrick

Radii of Curvature Geometrically Determined

By C. W. MacCord

Central Valve Triple Expansion Engines

Absolute Vacuum as a Non-Conductor, and its Bearing on Electric Theories

By P. H. Van Der Weyde

Building Plans and Specifications

Tin

By Leo Vignon

Useful Engineering Books

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January 19, 1889

Confronting Common Wisdom