Table of contents
Recently Patented Inventions
Business and Personal
Notes and Queries
Index
Patent Notes
Top of page
Top of pageArticles
Interesting Naval Information by the Secretary of the Navy - pp144 - 145
doi:10.1038/scientificamerican03071891-144b
Improved Sounding Bridge for Pianos, Etc. - pp146 - 147
doi:10.1038/scientificamerican03071891-146d
New Fire Boat for New York City—The New Yorker - p148
doi:10.1038/scientificamerican03071891-148
A Stopping and Signaling Mechanism for Locomotives - p151
doi:10.1038/scientificamerican03071891-151a
An Efficient Pipe Cutting Machine - pp151 - 152
doi:10.1038/scientificamerican03071891-151b
