Donkraft

International names:

jack, wagenwinde

English description:

Jack. Model

Danish Instrument Inventory text:

Jack. Model. A curved crank moves via a reducing gear and a rack-and-pinion the jack 120 mm. The load is kept in check by pawl-and-rachet. Iron and wood. Lmax443Ref: AWH Phys Cab Hefte 1 p 116 Pl 20 fig 12, 13.G. Turner p 80Not signed1800 app (g)

• Category: Statics
• Hauch number: B66
• Inventory number: 610
• Danish Instrument Inventory number: 40

• Hauch references:
• Begynd.grund: §137
• Cabinet 1: bd.1 p.116; pl.20 fig12

• Literature:
• Sigaud de Lafond : 1,1701

• Desaguliers(1734) pl.12 fig.5

  Gehler(1825-45) VII p.1160