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Dimpfel's Coal-Burning Locomotive
More Steamships
New Rope for an Inclined Plane
Hubbell's Solar Magnetic Engine
Chicago and Galena Railroad
Griffin's Boiler Furnaces
Iron Business of Pennsylvania
Geological Survey of Canada
A Cure for the Bite of Venomous Animals
Culture of Arrow Root in Florida
Foreign Correspondence
Claim for the Solar Magnetic Engine
A Cholera Cure
Sugar Cane in the High Lands of the South
American Institute
Will Saltpetre Explode—Verdict of the Jury
New Discoveries
Advice to Patentees
New York Institution of Civil Engineers
Fire Damp
More About the Gillard Light from Water
New Railroad Switch
List of Patent Claims
Judge Woodbury's Charge
Iron Bridge
A Stalworth Workman
Massachusetts Coal
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