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Features

Improved Grinder for Castings

Proposed Law for Castings

The Industrial Uses of Bisulphide of Carbon

The Autopsy on the Siamese Twins

Telegraphic Progress in 1873

Scientific and Practical Information

To New Subscribers

Stearin Candles

Robert L. Thurston

Astronomical Notes - March 7, 1874

The Albany Railroad Bridge

Improved Fish Grappling Spear

Improved Electric and Vapor Chair

The Victor Churn Dasher

Improved Saw Gummer

Sir Francis Pettit Smith

The Victoria Regia House at Chatsworth, Eng

Importance of Advertising

Recent American and Foreign Patents - March 7, 1874

Patent Office Decisions - March 7, 1874

United States Circuit Court

Answers to Correspondents - March 7, 1874

Canadian Patents - March 7, 1874

LIST OF PATENTS GRANTED IN CANADA,

Communications Received - March 7, 1874

Departments

  • Letters

    Correspondence - March 7, 1874

  • Recommended

    New Books and Publications - March 7, 1874

  • Departments

    Business and Personal - March 7, 1874

  • Index of Inventions - March 7, 1874

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March 07, 1874

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