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Features

Recent Progress in Electromagnetism

New York and the Centennial

The Signal Service Report

Photography of the Invisible

Scientific and Practical Information - December 6, 1873

Science in the Kitchen

Recent Experiments with Diamonds

The Miniature Telegraph

The Tom Thumb Telegraph

The Challenge Reversible Rotary Hoisting Machine

Subjects for Engineering Papers

The Germ Theory and its Relations to Hygiene

By F. A. P. Barnard

Improved Box Corner Grooving Machine

The Yucca Pendula

The Pashiuba Palm of Brazil

Astronomical Notes - December 6, 1873

The Nebul

By C. A. Young

Decisions of the Courts - December 6, 1873

Recent American and Foreign Patents - December 6, 1873

Answers to Correspondence - December 6, 1873

Communications Received - December 6, 1873

Departments

  • Letters

    Correspondence - December 6, 1873

  • Departments

    Business and Personal - December 6, 1873

  • Index of Inventions - December 6, 1873

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December 06, 1873

Think Outside the Gift Box