Desaguliers friktionsmaskine

English description:

Tribometer - an instrument for studying friction

Danish Instrument Inventory text:

Friction machine. Desagulier's. Small mahogany table Dia190. A brass flywheel Dia140 with steel axle resting on 4 brass wheels Dia80 as frictionless bearing. The flywheel is set in oscillating movements by means of a spiral steel spring. A brass lever arm L120 rests on the axle of the flywheel and can be loaded with weights. The friction of the lever upon the fly-wheel axle determines the number of oscillations.Ref: Det phys Cab vol 1 p 34, pl 5 fig 8.Not signedc1800 (g)

• Category: Mechanics
• Hauch number: A50
• Inventory number: 3660
• Danish Instrument Inventory number: 1559

• Hauch references:
• Begynd.grund: §83
• Cabinet 1: Bd.1 p.34, pl 5 fig 8

• Literature:
• Nollet, J. A.: 1,03309
• Sigaud de Lafond : 1,0701
• Martinus van Marum: 46
• The King George III Collection: M63
• Cataloque of Mechanical Instruments, Museo di Storia della Scienza, Firenze: 2,057

• Sully(1726);

   

  Desaguliers(1734); XVIII, fig. 8;

   

  Gallon(1735) iii, 95; iv 75-8;