Table of contents
Recently Patented Inventions
Books
Business and Personal
Notes and Queries
Index
Patent Notes
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1,492 Feet for the Height of the American Tower - p224
doi:10.1038/scientificamerican10121889-224
Meeting of the National Telephone Association - pp224 - 225
doi:10.1038/scientificamerican10121889-224a
The International Congress of American States - p225
doi:10.1038/scientificamerican10121889-225
An Improved Sketching Tripod, or Delineator - p226
doi:10.1038/scientificamerican10121889-226b
An “Otto” Gas Engine of One-Third Horse Power - pp227 - 228
doi:10.1038/scientificamerican10121889-227a
