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Features

The Jamin Magnet

Publishers' Card

A Steam Snow Melter

A New Fuel--Carbonite

The Loss of the Ville Du Havre

The Coal Tar Interest

Recent Ordnance Trials

Scientific and Practical Information - December 20, 1873

Albinism Among Birds

Improved Coffee Pot

The Hull Dock Company's New Offices

The Universal Boring Machine

Combined Cooking, Heating, and Drying Apparatus

Design for a Conservatory

The Germ Theory and its Relations to Hygiene

By F. A. P. Barnard

Recent American and Foreign Patents - December 20, 1873

Decisions of the Courts - December 20, 1873

Answers to Correspondents - December 20, 1873

Communications Received - December 20, 1873

Canadian Patents - December 20, 1873

Departments

  • Letters

    Correspondence - December 20, 1873

  • Recommended

    New Books and Publications - December 20, 1873

  • Departments

    Index of Inventions - December 20, 1873

  • Business and Personal - December 20, 1873

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December 20, 1873

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