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How to Hammer Circular Saws

The Schiseophone

A Table for Drawing Ellipses by Arcs of Circles

Celluloid as a Drawing and Printing Material

By Colonel J. Waterhouse

150 Ton Ice Making Plant—Linde System

Direct Acting Hydraulic Pumping Engine

A New Form of Electric Chronograph

By Frederick J. Smith

A Remarkable Flash of Lightning

By W. Kohlrausch

Photo-Electric Impulsion Cells

Magnetizing Iron with the Alternating Current


By James F. Babcock

Sinking of the Quetta

Optical Telegraphy

The Warriors of British New Guinea

By Lieut B. Baden-Powell

Goldie's Birthwort

Aristolochia Goldieana

The Medicinal uses of Leaves

By P. L. Simmonds

Mushroom Culture

Experiments on the Preparation of Boiled Linseed Oil

By Frank H. Thorp

Building Plans and Specifications

Detective Photography

By J. C. Hannyngton


Useful Engineering Books


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    July 05, 1890

    20% Sitewide for President's Day