Table of contents
Books
Business and Personal
Notes and Queries
Index
Patent Notes
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Protector for Water Pipes Against Freezing - p226
doi:10.1038/scientificamerican04111885-226
Reversing Valve for Hoists, Elevators, Etc - p227
doi:10.1038/scientificamerican04111885-227
The “Sun” Column, Designed for Lighting Entire Paris - p230
doi:10.1038/scientificamerican04111885-230
Improved Construction of Vessels - pp230 - 231
doi:10.1038/scientificamerican04111885-230b