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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 ...
Vitaphone was the market leader in the early days of talking pictures, for two key reasons. First, the new novelty was very popular with the public, with The Jazz Singer being a monster hit. It was in theater owners' best interest to compete as soon as possible. Second, a much more practical reason was the cost.
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.
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 ...
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 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 ...
This is a list of early pre-recorded sound and part or full talking feature films made in the United States and Europe during the transition from silent film to sound, between 1926 and 1929. [1] During this time a variety of recording systems were used, including sound on film formats such as Movietone and RCA Photophone , as well as sound on ...