Volume 24, Issue 12
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Features
The Influence of Intense Cold on Steel and Iron
Knots and Splices
Portable Writing and Copying Case
Impregnating Wood with Tar or Other Preserving Material
Belt Tightener
Boardman's Combined Tool
Rambles for Relics
Silk Culture
Smith's Infant Dining Chair
Barnes' Ventilator for Mattresses, Etc.
Combined Trunk and Rocking Chair
Rubber Tires for Traction Engines
A Scientific and Technical Awakening
The Sherman Process
Warming and Ventilating Railroad Cars
Central Shaft of the Hoosac Tunnel
Report of the Judges of Group 1, Department V. of the Exhibition of the American Institute for 1870. The Allen Engine
Lyceum of Natural History
A Museum of Art and Natural History
Scientific Intelligence- March 18, 1871
The Mineral Resources of Missouri
Applications for Extension of Patents- March 18, 1871
Answers to Correspondents- March 18, 1871
Official List of Patents- March 18, 1871
Issued by the U. S. Patent Office