International names:

Lever; Hebel; Levier; Vectis

English description:

Pulley stand

Danish Instrument Inventory text:

Pulley stand. Lever suspended by 2 cords passing over 2 pulleys to 2 weights. The lever is thus balanced at 2 ends and is a "mathematical, weightless" balance with no fixed fulcrum. 3 notches in the lever divide it into 4 equal parts. Weights may be applied in these notches, and counterbalanced by weights in the cords.Ref: Det phys Cab vol 1 p 89, pl 15 fig 11.Not signed1800 app (g)

  • Category: Statics
  • Hauch number: B23
  • Inventory number: 922
  • Danish Instrument Inventory number: 287
  • Literature:
  • Nollet, J. A.: 3,09325
  • Sigaud de Lafond : 1,1206
  • Martinus van Marum: 12
  • Cataloque of Mechanical Instruments, Museo di Storia della Scienza, Firenze: 2,014
  • Desaguliers(1734) pl.9 fig.16

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