Pyrometer

International names:

Pyrometer

Danish Instrument Inventory text:

Pyrometer; dilatation instrument. Mahogany base 315x165x60 with drawer for accessories. On this is a marble slate 285x140 with 2 brass pillars. The expansion rod is placed in these pillars, fastened by a set screw to one and sliding in the other. The moving end pushes on a lever which via a toothed sector and gear turns a pointer, indexing on an enamelled scale 0-60 (antique clock dial?). A heat expansion of app 1,5 mm moves the index 0 to 60.Ref: Det phys Cab vol 2 p 56, pl 17 fig 7.Not signed, but likely made by Pixiic1820 (g)

• Category: Heat
• Hauch number: E30
• Inventory number: 5830
• Danish Instrument Inventory number: 1683

• Hauch references:
• Begynd.grund: §236
• Cabinet 1: Bd.2 p.56; pl.17 fig 7

• Literature:
• Nollet, J. A.: 4,14104
• Sigaud de Lafond : 2,1601
• Martinus van Marum: 216

• Musschenbroek(1731)
  Gehler(1787-96) III p.566
  Clercq(1997b)