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The New Railroad Station at Cologne

Graduate and Post-Graduate Engineering Degrees

By Robert H. Thurston

Intensifying Negatives–Improved Method

By John Vansant

The War in the East

Argon–A Suggestion

By G. Johnstone Stoney

Explosives and their Modern Development


By Vivian B. Lewes

A New Element

Solution of Solids in Vapors

By P. Villard

Reminiscences of John Dalton

On the Liquefaction of Air

The Minimum Temperature of Visibility

Health and Athletics

By Benjamin Ward Richardson

A Simplified Photo-Chromoscope

The Spectroscope in Astronomy

By Taylor Reed


Interesting Documents in the British Museum

The Ware Collection of Blaschka Glass Models of Plants and Flowers in the Botanical Museum of Harvard University

The Grass Tree

Extremes of Climate and Weather Periods

The Bahama Hemp Industry



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