Letter

  • Reference
    • GB 133 JPJ/14
  • Dates of Creation
    • 8 Apr [1850s]
  • Physical Description
    • 1 sheet (folded)

Scope and Content

From William Hopkins [(1793-1866), mathematician and geologist], will call on Joule at the Brewery to discuss the "thermo-multiplier".

Dated at: Cambridge.