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Mr. Stanley's Latest African Discoveries

“The Mountains of the Moon”

The Growth of Trees

Henry M. Stanley

Star Distances

Surface Waters

The Stanley Cycle Show

The Screw Tug Kathleen

Testing the Forth Bridge

A Water Walker

The New Reservoirs at Montmartre

Labors of the International Bureau of Weights and Measures

Design for a Conicograph

By Rollin A. Harris

An Index Plate for Amateurs

By Lieut C. D. Parkhurst

The Macarthur-Forrest Process for the Treatment of Refractory Gold Ores

By William Jones

Magnesium Bronze

By H. N. Warren


By John Hopkinson

A Jungle Cart

Treatment of Barber's Itch

Olive Oil for Snake Bites

Aneurism of Scalp

By Herman Mynter

The Japanese Puzzle

Detecting Tin in Minerals

By Alexander Johnstone

Drum Fish of Mauritius

Native Wyoming Soap

By Herman Westphal

Useful Engineering Books

Building Plans and Specifications


  • Departments

    Patents- March 8, 1890

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The Essential Guide to the Modern World

The Essential Guide to the Modern World