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Mitchell began working at the IBM Thomas J. Watson Research Center in 1974, in the Exploratory Printing Technologies Group. [3] [4] There, her inventions included a method for ultrasonic printing, a method for thermal-transfer printing later used in some models of the IBM Selectric typewriter, data compression for fax machines, a teleconferencing system, [3] and the Q-coder method for ...
A Kinetoscope prototype was first semipublicly demonstrated to members of the National Federation of Women's Clubs invited to the Edison laboratory on May 20, 1891. The completed version was publicly unveiled in Brooklyn two years later, and on April 14, 1894, the first commercial exhibition of motion pictures in history took place in New York ...
The hot comb was an invention developed in France as a way for women with coarse curly hair to achieve a fine straight look traditionally modeled by historical Egyptian women. [44] However, it was Annie Malone who first patented this tool, while her protégé and former worker, Madam C. J. Walker , widened the teeth.
Image credits: undiscoveredh1story Nowadays, we consume tons of visual media. Videos, photos, cinema, and TV can help us learn new things every day. However, they can just as easily misinform us.
The following is a list of Featured pictures and their currently associated articles which have potential for inclusion in the Featured picture section of a Portal devoted to women's history Historic images related to women's history
Collecter, Ward Harris, holds a talking doll with a metal torso that was invented by Thomas Edison, in San Francisco, Calif., Feb. 9, 1949. Harris holds in his other hand the inside mechanicals of ...
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The Bored Panda team has scoured the internet to find some of the most stunning colorized photos from the 1940s. These beautiful images breathe new life into the past, turning historical moments ...