Features
Curious Experiment with Chalk
The New Steam Frigates
The Government Arms and their Manufacture
East India Railroads
Nebuchadnezzar Disentombed
Chemical Minuteness
Improved Cotton Press
Mercantile Library Association
Lightning and Epidemics
List of Patent Claims
Sandstones for Building
The Pressure of the Atmosphere
Electro-Chemical Baths
A Shoeing Stool for Blacksmiths
Notes on Patented Inventions.--No. 12
Great Submarine Cable
A Great Strike Ended
A Wonderful Discovery
Notice.--Erratum
Patent Fees
Straw Paper
Soda Water
American Marble
Chemical Analyses in the Patent Office
A New Field for Inventors.--The East Indies Thrown Open
Improvement in Spring Beds.
Improved Spring Mattrass.
