Letters to Colonel Morgan regarding the measures he sent for the purpose of testing the reliability of the linear method of ascertaining azimuth involved in the construction of an ancient observatory. 18 and 21 March 1910

  • This material is held at
  • Reference
      GB 216 RISW/WLM 1
  • Dates of Creation
      21 March 1910
  • Language of Material
      English
  • Physical Description
      6 papers; originally box 11