Skip to main content


Electric Traction at the Cape

Contemporary Electrical Science

Telephones in Engine Cabs

Electricity in Modern Railmaking

Anti-Friction Bearings

By Henry R. Lordly

A Mechanical Cashier

The History of the Slide Rest

An Automatic Calculating Machine

A Proposed Soudan Railroad

The Water Supply of London.—I

The English Correspondent of the Scientific American

Platinum Extraction in the Ural Region

The Joint Transmission of Differing Currents

By Frederick Bedell

The Glass Pedestals of Cleopatra's Needles

Progress of the Beet-Sugar Industry in the United States

By Charles F. Saylor

The Universe as an Organism

By S. Newcomb

The Crocodile in Ancient Egypt

Origin of Pearls

The Teredo

The Oil-Palm of West Africa

Trade Notes and Recipes

Selected Formulæ

Trade Suggestions from United States Consuls

Canada's Oil Field

New use for Carborundum


The Tonge Hydraulic Mining Cartridge


    Purchase To Read More

    Already purchased this issue? Sign In to Access
    Select Format
    February 21, 1903

    20% Sitewide for President's Day