Table of contents
Business and Personal
Books
Notes and Queries
Index
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The American Public Health Association - pp336 - 337
doi:10.1038/scientificamerican11291879-336b
How Far Can We Hear with the Telephone? - p337
doi:10.1038/scientificamerican11291879-337b
New Foundation Plate for Elevated Railways - p338
doi:10.1038/scientificamerican11291879-338a
Recent Decisions Relating to Patents, Trade Marks, Etc. - p346
doi:10.1038/scientificamerican11291879-346