Features
Lerow and Blodgett's Sewing Machine
Curious Species of Barter
A Mountain of Magnesia in California
Soapstone
Foreign Correspondence
American Locust, Cicada Septemdecim
Slate
Tripoli
Receipt for Burns
Sulphur
A Lot of Inventions
Letters of Various European Countries
A Burning Rock in New South Wales
Great Discovery in Illuminating and Motive Power
Incrustations in Steam Boilers
Fulton in France
Iron Masted Vessels
Improvement in Paper Pulp Strainers
Petition for the Extension of Patents
Improved Glue Pot for Cabinet Makers and Joiners
American Enterprise Honored in England
Improvements in Operating the Picker Staff of Looms
Claussen's Improvements in the Preparation and Bleaching of Flax
Premium for a Printing Press
Machinery and Labor
Fever and Cancer Cured—Great Discoveries
Artificial Tooth Manufacturing
Steamboat Betting
Appendix to the Washington Astronomical Observations of 1846
American Inventions and Benjamin Cheverton
Management of the Patent Office, and Mr. Burke
Electro-Magnetic Experiments
Petition against Blood-Letting
List of Patent Claims
Letter from Mr. Paine
Fossil Tree in Coal Rocks
Western Texas
Geographical Discovery
Depilatory Powder and Manipulating the Eyes
Scientific Memoranda
Mechanics
Inventors and Manufacturers
Departments
- From the Editor
To Correspondents