Preferred citation: BOX 13/21.
Observations of earth currents on the Eastern Telegraph Co.'s cables in Madras, St. Helena, Capetown, etc,
This material is held atNational Library of Wales / Llyfrgell Genedlaethol Cymru
- Reference
- GB 210 BOX 13/21.
- Alternative Id.(alternative) vtls005004288(alternative) ISYSARCHB1
- Dates of Creation
- 1915, May.
- Location
- ARCH/MSS (GB0210)
Note
Additional Information
Published