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The Victoria Torpedo

The New Steamer Majestic

The London Electric Underground Railway

Meeting of the British Association, 1890

Flexible Gelatine Capsules

By John A. Forret

Notes on the Colors of Minerals

Friendship of Birds

Early Lambs for Market

By Geo. L. Gillingham

Some Notes on Echinocactus

The Highest Mountain Peaks of North America

Improved Operating Table for Animals

A New Form of Sprengel Pump, and Apparatus in Connection Therewith

By Sidney G. Rawson

Building Plans and Specifications

Useful Engineering Books

Examination of Oils, Fats, and Allied Substances

By Thomas T. P. Bruce Warren


  • Departments

    Patents- October 11, 1890

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis