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Features

Paris Exhibition--The Facades of Annam, Persia, Siam, Tunis, Monaco, and San Marino

Pocket Life Buoys

Silver Mining Here and Abroad

The Heroes of the Pestilence

Corundum.--Its Occurrence and Distribution

Notes of Patent Office Decisions

The Captive Balloon-Apparatus for Testing the Strength of Materials

A Cabinet

Ancient Stand for Yule Log

The Raising of the Eurydice

Method of Determining the Position of Vessels

Simple Electric Light Apparatus

By Geo. M. Hopkins

Interesting Experiments with Lycopodium Seeds

The Neomorpha

Astronomical Notes

By Berlin H. Wright

Communications Received

Departments

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    Correspondence

  • Business and Personal

  • New Books and Publications

  • Notes and Queries

  • Index of Inventions

  • Patents

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September 28, 1878

Complex Causes. Alternative Solutions.