1. Mss Eur D625/8
- Reference (shelfmark):
- Mss Eur D625/8
- Title:
- Scope & Content:
- Selections from correspondence with the Government of India on the subject of Mance's heliograph or sun telegraph. Commencing Oct 1869 and continued up to Oct 1879 with covering letter, dated May 1880 from Bateman Champain to Sir William Merewether. Oct 1869-Oct 1879 Also History of the heliog...
- Collection Area:
- India Office Records and Private Papers
- Languages:
- English
- Date Range:
- 1869-1880
- Extent:
- Unspecified