Volume 6, Issue 28
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Features
A Mountain of Magnesia in California
Curious Species of Barter
Lerow and Blodgett's Sewing Machine
Receipt for Burns
Slate
Sulphur
Tripoli
Foreign Correspondence
American Locust, Cicada Septemdecim
Soapstone
A Lot of Inventions
Iron Masted Vessels
Great Discovery in Illuminating and Motive Power
Fulton in France
Incrustations in Steam Boilers
A Burning Rock in New South Wales
Letters of Various European Countries
Claussen's Improvements in the Preparation and Bleaching of Flax
Improvements in Operating the Picker Staff of Looms
American Enterprise Honored in England
Improved Glue Pot for Cabinet Makers and Joiners
Petition for the Extension of Patents
Improvement in Paper Pulp Strainers
Premium for a Printing Press
Management of the Patent Office, and Mr. Burke
Appendix to the Washington Astronomical Observations of 1846
Steamboat Betting
Artificial Tooth Manufacturing
Fever and Cancer Cured—Great Discoveries
Machinery and Labor
American Inventions and Benjamin Cheverton
Fossil Tree in Coal Rocks
Letter from Mr. Paine
List of Patent Claims
Petition against Blood-Letting
Electro-Magnetic Experiments
Scientific Memoranda
Depilatory Powder and Manipulating the Eyes
Mechanics
Inventors and Manufacturers