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Lecture on the Inventive Genius of America - p290
doi:10.1038/scientificamerican06021849-290f
The South Pass—Alkaline Water-Rock Salt-New Gold Mine - p290
doi:10.1038/scientificamerican06021849-290o
A Yankee Egg Hatching Machine in France - p290
doi:10.1038/scientificamerican06021849-290q
Portable Tongueing and Grooving machine - p292
doi:10.1038/scientificamerican06021849-292c
Improved Self-acting Jaw Temples for Power Looms - p292
doi:10.1038/scientificamerican06021849-292f
Improvement on Apparatus for Hoisting Brick and other loads on Buildings - p292
doi:10.1038/scientificamerican06021849-292g
New Churn Dasher, and Ice Cream Freezer - p292
doi:10.1038/scientificamerican06021849-292i
Principle of Patents—Action of Patent Office - p294
doi:10.1038/scientificamerican06021849-294b
The Best Mechanical Paper in the World - p296
doi:10.1038/scientificamerican06021849-296h