Table of contents
September 1, 1866, Volume 15 No 10 pp143-158
About the coverInventions
Notes and Queries
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Top of pageArticles
Improved Regulator for Steam Engines, Depths of the Sea, and more - p143
doi:10.1038/scientificamerican09011866-143
Breathing—out of Doors and in the House - p151
doi:10.1038/scientificamerican09011866-151b