Table of contents
Recently Patented Inventions
Business and Personal
Notes and Queries
Index
Patent Notes
Top of page
Top of pageArticles
Electric Train “Stopping” and “Starting” Signal - p212
doi:10.1038/scientificamerican10051895-212
Gatti's Prying Bar for Handling Lumber - p212
doi:10.1038/scientificamerican10051895-212b
An Electric Time Check Receiver - pp212 - 213
doi:10.1038/scientificamerican10051895-212c
The Automatic Life Saving Apparatus of De Ropp - p213
doi:10.1038/scientificamerican10051895-213
An Archimedean Screw Constructed from Simple Materials - p213
doi:10.1038/scientificamerican10051895-213a
Improved Steel Frame Stamp Battery - pp217 - 218
doi:10.1038/scientificamerican10051895-217
