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Scientific American Magazine Vol 29 Issue 23

Scientific American Magazine

Volume 29, Issue 23

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Features

Recent Progress in Electromagnetism

New York and the Centennial

The Signal Service Report

Recent Experiments with Diamonds

Photography of the Invisible

Science in the Kitchen

Scientific and Practical Information - December 6, 1873

The Tom Thumb Telegraph

The Miniature Telegraph

The Challenge Reversible Rotary Hoisting Machine

Subjects for Engineering Papers

The Germ Theory and its Relations to Hygiene

F. A. P. Barnard

The Yucca Pendula

Improved Box Corner Grooving Machine

The Pashiuba Palm of Brazil

The Nebul

C. A. Young

Astronomical Notes - December 6, 1873

Recent American and Foreign Patents - December 6, 1873

Decisions of the Courts - December 6, 1873

Answers to Correspondence - December 6, 1873

Communications Received - December 6, 1873

Departments

Correspondence - December 6, 1873

Business and Personal - December 6, 1873

Index of Inventions - December 6, 1873