Parabelbanen

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

• Hauch references:
• Begynd.grund: §107
• Cabinet 1: 1052 7,05

• 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