Siphon recorder, 1870
Siphon recorder, designed by William Thomson (Baron Kelvin) made by James White & Company, Glasgow, Scotland, 1870. Used by the Eastern Telegraph Co in Egypt, and later in India
- Materials:
- paint , metal (unknown) , wood (unidentified) , copper (alloy) , brass (copper, zinc alloy) and paxolin
- Object Number:
- 1923-233 Pt1
- type:
- telegraph