Table of contents
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Departments
The Heavens
The Heavens in February - p67
Henry Norris Russell, Ph.D.
doi:10.1038/scientificamerican02021901-67
Recently Patented Inventions
Business and Personal
Notes and Queries
Books
Index
Patent Notes
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Top of pageArticles
The Importance of Registering Trade Marks - p66
doi:10.1038/scientificamerican02021901-66c
The Twin-screw Cruising Yacht “Prinzessin Victoria-Luise” - p67
doi:10.1038/scientificamerican02021901-67b
Famous Basaltic Columns - p68
Charles Frederick Holder
doi:10.1038/scientificamerican02021901-68a
Unique Elevated-Underground Street Railway in Boston - pp69 - 70
J. A. Stewart
doi:10.1038/scientificamerican02021901-69
The Steepest Railways in the United States - pp70 - 71
Waldon Fawcett
doi:10.1038/scientificamerican02021901-70
Submarine Signaling - pp73 - 74
Arthur J. Mundy
doi:10.1038/scientificamerican02021901-73a
VIII Mercurial Barometer - p74
George.M. Hopkins
doi:10.1038/scientificamerican02021901-74