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Sumlock ANITA calculator - Wikipedia
Anita: the world's first electronic desktop calculator
Anita 811 Hand Held Calculator - Calculator - Computing History
Sumlock Anita Mk9 – Time-Line Computer Archive
Anita: the world's first electronic desktop calculator
File:AnitaMk8Inside1.jpg - Wikimedia Commons
Museum of London - This 1961 ANITA Calculating Machine Mk 8 was the world's first commercial electronic desktop calculator, developed by the Bell Punch Company's scientists at Uxbridge. Although standard office equipment