Table of contents
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Departments
The Heavens
The Heavens in April, 1902 - p219
Henry Norris Russell, Ph D
doi:10.1038/scientificamerican03291902-219
Correspondence
Recently Patented Inventions
Business and Personal
Index
Books
Notes and Queries
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Top of pageArticles
Moving Sidewalk for the Brooklyn Bridge - p218
doi:10.1038/scientificamerican03291902-218a
Armor Plate for the Russian Government - p218
doi:10.1038/scientificamerican03291902-218d
Objections to the Pennsylvania Tunnel Bill - p218
doi:10.1038/scientificamerican03291902-218f
Electricity and Power Direct from Heat - p219
James Asher
doi:10.1038/scientificamerican03291902-219a
A Curious Instance of Re-Invention - p220
Irving U. Townsend
doi:10.1038/scientificamerican03291902-220
An Oil-Burning Water-Tube Locomotive Boiler - p220
doi:10.1038/scientificamerican03291902-220a
Cave-in at the Park Avenue Rapid Transit Tunnel - p221
doi:10.1038/scientificamerican03291902-221
Shell Practice in City Armokies - pp222 - 223
doi:10.1038/scientificamerican03291902-222a
Automobile Coupé Built for the Sultan of Morocco - p226
doi:10.1038/scientificamerican03291902-226
A New Water-Level Regulator for Steam Boilers - p227
doi:10.1038/scientificamerican03291902-227a
