Table of contents
February 15, 1902, Volume 86 No 7 pp102-115
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Index
Patent Notes
Notes and Queries
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Germany's Export Trade in Her Hour of Need - p102
doi:10.1038/scientificamerican02151902-102a
Mail Transportation in Cities - p104
Waldon Fawcett
doi:10.1038/scientificamerican02151902-104
Home-Made Electric Night Lamp - p105
George M. Hopkins
doi:10.1038/scientificamerican02151902-105
How to Make a Cheap Hydrometer - p106
Parker S. Simonsen
doi:10.1038/scientificamerican02151902-106
The Yerkes Observatory Two-Foot Reflector - pp109 - 110
Mary Proctor
doi:10.1038/scientificamerican02151902-109