Table of contents
Recently Patented Inventions
Notes and Queries
Books
Index
Patent Notes
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Top of pageArticles
Present Condition of the New York Tunnels - p482
doi:10.1038/scientificamerican12291906-482
The President's Message on the Panama Canal - p482
doi:10.1038/scientificamerican12291906-482a
William Henry Welch - p483
Marous Benjamin, Ph.D.
doi:10.1038/scientificamerican12291906-483a
The “Unilens” a Novel Form of Telescope - p484
doi:10.1038/scientificamerican12291906-484
The New Lusol Lamp - pp484 - 485
Jacques Boyer
doi:10.1038/scientificamerican12291906-484a
A Simple Experimental Dynamo - pp485 - 486
Paul H. Woodruff
doi:10.1038/scientificamerican12291906-485
The Solution of New York's transportation problem - p486
doi:10.1038/scientificamerican12291906-486
The Apparatus of the United States Life-Saving Service - pp488 - 489
Waldon Fawcett
doi:10.1038/scientificamerican12291906-488
Increasing the Power of a Talking Machine by Means of Compressed Air - p490
doi:10.1038/scientificamerican12291906-490
Eye-Spotting in Nature - pp490 - 492
Percy Collins
doi:10.1038/scientificamerican12291906-490a