Table of contents
Books
Business and Personal
Notes and Queries
Index
Patent Notes
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Top of pageArticles
The Westinghouse Interlocking Switch and Signal System - p273
doi:10.1038/scientificamerican05031890-273
The Oil Well at Southbury, Conn - p275
E. O. Hovey, By
doi:10.1038/scientificamerican05031890-275
An Improved Water Tower and Extension Ladder - p276
doi:10.1038/scientificamerican05031890-276a
An Improved Brace for Piano String Frames - p276
doi:10.1038/scientificamerican05031890-276b
The Proposed Suspension Bridge across the Hudson River at New York - pp280 - 283
doi:10.1038/scientificamerican05031890-280
The Scientific American Established 1846 - p288
doi:10.1038/scientificamerican05031890-288a