English description:

Parabolic trajectory

Danish Instrument Inventory text:

Parabolic trajectory. s'Gravesande's. Mahogany and fruitwood. Base 585x240 3 wooden levelling screws. Vertical wooden plates, overall H370. Quadrant shaped channel so that a ball may be released from the top, roll down and be projected horizontally. The resulting path of fall is a parabola on which 2 brass rings are placed for the ball to pass through.Ref: Van Marum p 153 fig 37.Not signedc1800 (g)

  • Category: Mechanics
  • Hauch number: A65
  • Inventory number: 3270
  • Danish Instrument Inventory number: 1548
  • Literature:
  • Nollet, J. A.: 2,05311
  • Sigaud de Lafond : 1,1001
  • Martinus van Marum: 39
  • The King George III Collection: M76
  • Cataloque of Mechanical Instruments, Museo di Storia della Scienza, Firenze: 2,048
  • Desaguliers(1734) pl.24 fig.3

    's Gravesande(1747) pl.19 fig.3

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