• Thumbnail for Heinrich Zoelly
    and patented the geothermal heat pump in 1912. Heinrich Zoelly was the fifth child of Franz Xaver Zoelly. His father, originally from Germany near Klettgau...
    5 KB (602 words) - 23:09, 19 March 2024
  • Thumbnail for Geothermal heating
    time, Lord Kelvin had already invented the heat pump in 1852, and Heinrich Zoelly had patented the idea of using it to draw heat from the ground in 1912...
    30 KB (3,064 words) - 00:19, 31 May 2024
  • Thumbnail for List of Mexican engineers
    Emilio Rosenblueth Gerardo Ruiz Mateos Javier Barros Sierra Estanislao Tovilla Cortázar Rodolfo Félix Valdés California Odha Zertuche Díaz Heinrich Zoelly...
    2 KB (141 words) - 00:02, 4 May 2023
  • Thumbnail for Ground source heat pump
    Kelvin in 1853 and developed by Peter Ritter von Rittinger in 1855. Heinrich Zoelly had patented the idea of using it to draw heat from the ground in 1912...
    49 KB (5,835 words) - 03:12, 26 March 2024
  • Thumbnail for USS O'Brien (DD-51)
    displaced 1,171 long tons (1,190 t) when fully loaded. O'Brien had two Zoelly steam turbines that drove her two screw propellers, and an additional pair...
    19 KB (2,000 words) - 23:34, 24 April 2024
  • Thumbnail for USS Cushing (DD-55)
    displaced 1,171 long tons (1,190 t) when fully loaded. Cushing had two Zoelly steam turbines that drove her two screw propellers, and an additional pair...
    20 KB (2,181 words) - 23:37, 24 April 2024
  • Thumbnail for USS Ericsson (DD-56)
    displaced 1,171 long tons (1,190 t) when fully loaded. Ericsson had two Zoelly steam turbines that drove her two screw propellers, and an additional triple-expansion...
    21 KB (2,228 words) - 23:37, 24 April 2024
  • Cup Series Giacomo Altoè  Italy 2023 GT World Challenge Europe Sprint Cup Zoël Amberg   Switzerland 2015 GP2 Series Julien Andlauer  France 2023 IMSA SportsCar...
    51 KB (772 words) - 14:15, 30 March 2024
  • Thumbnail for Stans
    Children orphaned by this event were gathered by the educator Johann Heinrich Pestalozzi for his first school. He converted the Convent of St. Klara...
    22 KB (2,579 words) - 23:17, 22 March 2024
  • Thumbnail for USS McDougal (DD-54)
    displaced 1,171 long tons (1,190 t) when fully loaded. McDougal had two Zoelly steam turbines that drove her two screw propellers, and an additional triple-expansion...
    26 KB (2,863 words) - 23:36, 24 April 2024