Volume 30, Issue 10
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Features
Telegraphic Progress in 1873
Proposed Law for Castings
The Autopsy on the Siamese Twins
The Industrial Uses of Bisulphide of Carbon
Scientific and Practical Information
To New Subscribers
Robert L. Thurston
Stearin Candles
The Albany Railroad Bridge
Improved Fish Grappling Spear
Astronomical Notes - March 7, 1874
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
Patent Office Decisions - March 7, 1874
United States Circuit Court
Recent American and Foreign Patents - March 7, 1874
Answers to Correspondents - March 7, 1874
Communications Received - March 7, 1874
Canadian Patents - March 7, 1874
LIST OF PATENTS GRANTED IN CANADA,