Note

  • Reference
    • GB 133 JPJ/33
  • Dates of Creation
    • n.d.
  • Physical Description
    • 3 sheets

Scope and Content

Contains a drawing by Joule of the Dip-Circle [an instrument used for measuring the inclination of the Earth's magnetic field],; this is similar to one in vol 1 of Scientific Papers, p.578.

Former reference: Pate ref. 187.