• Thumbnail for Harry Ward Leonard
    Harry Ward Leonard (February 8, 1861 – February 18, 1915) was an American electrical engineer and inventor. He is best known for his invention, the Ward...
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  • Thumbnail for Ward Leonard control
    Ward Leonard control, also known as the Ward Leonard drive system, was a widely used DC motor speed control system introduced by Harry Ward Leonard in...
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  • Harry Leonard may refer to: Harry Ward Leonard (1861–1915), electrical engineer and inventor Harry Leonard (footballer, 1886–1951), English football forward...
    602 bytes (95 words) - 22:53, 22 April 2023
  • jazz musician Harry Ward Leonard, inventor Herman Leonard, photographer Hookey Leonard, Scottish professional footballer Hubert Léonard (1819–1890), Belgian...
    15 KB (1,599 words) - 12:48, 22 August 2024
  • Liberties Union Harry Marshall Ward (1854–1906), British botanist Harry Ward Leonard (1861–1915), American electrical engineer and inventor Henry Ward (disambiguation)...
    612 bytes (108 words) - 13:18, 29 April 2022
  • Scheduling and resource allocation in wireless networks Harry Ward Leonard Inventor of the Ward Leonard control system Robert Watson-Watt First practical radar...
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  • Thumbnail for Amplidyne
    induction pump for secondary sodium in EBR-II. Brushed DC electric motor Harry Ward Leonard Magnetic amplifier Metadyne Motor-generator "Amplidyne - Working and...
    7 KB (886 words) - 10:48, 11 July 2023
  • Thumbnail for Motor–generator
    Cascade converter Diesel generator Engine-generator Frequency converter Harry Ward Leonard Head-end power Inverter (electrical) Rotary converter Rotary phase...
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  • Coca-Cola and British American Tobacco; Olympic track and field coach Harry Ward Leonard – electrical engineer and inventor Carl Lindner, Jr. – businessman...
    75 KB (7,113 words) - 20:09, 15 September 2024
  • 10th president of MIT Steve Kirsch – entrepreneur and philanthropist Harry Ward Leonard – electrical engineer and inventor Arthur Dehon Little – founded the...
    7 KB (673 words) - 04:03, 9 March 2024