'Lindy hop' dancers. "The Lindy Hop evolved in Harlem, New York City in the 1920s and 1930s...Lindy was a fusion of many dances that preceded it or were popular during its development but is mainly based on jazz, tap, breakaway and Charleston". Get me to a class right now!
November 1910. Birmingham, Alabama. "Donnie Cole. 'Our baby doffer,' they called him. This is one of the machines he has been working at for some months at the Avondale Mills. Said, after hesitation, 'I'm 12,' and another small boy added, 'He can't work unless he's twelve.' Child labor regulations conspicuously posted in the mill." Photograph and caption by Lewis Wickes Hine
Using one's own finger to replace their nose. ~ A facial reconstruction technique used during WWI & WWII. Caption reads: "Rhinoplasty. Loss of nose due to an injury, and replacement by a finger in 1880. Surgery by Dr. E. Hart, photo by OG Mason, both of Bellevue Hospital, NY." via Otis Historical Archives of the National Museum of Health and Medicine, in Washington DC on flickr.
Eli Whitney's invention of the cotton gin revolutionized the cotton industry in the United States. Prior to his invention, farming cotton required hundreds of man-hours to separate the cottonseed from the raw cotton fibers. Simple seed-removing devices have been around for centuries, however, Eli Whitney's invention automated the seed separation process. His machine could generate up to fifty pounds of cleaned cotton daily, making cotton production profitable for the southern states.