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Elektricermaskine

International names:

Electrostatic generator

Danish Instrument Inventory text:

Electrostatic generator. Rubber disc rotated in mercury, Van Marum's invention. Mahogany base 645x140. 2 mahogany uprights H380 support the axle for the rotatable shellac disc Dia320, the hight of which can be adjusted. Semicircular mahogany trough is supported by 2 glass pillars. 2 black brass conductors Dia65 H150 with brass rods L330 and L440 ending in brass spheres Dia20 forming the spark gap. The prime conductor is a conical cylinder Dia50-42 L160 with saw teeth around the narrow end, which is kept close to the rotating plate.Compare with Van Marum p 311.Not signedc1790 (g)

  • Category: Electricity
  • Hauch number: K011
  • Inventory number: 7030
  • Danish Instrument Inventory number: 2075
  • Literature:
  • Martinus van Marum: 280
  • van Marum(1776)

    Gehler(1825-45) III p.452

    van Marum(1971) III p.339

ElektricermaskineElektricermaskine
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