[Letter] 1864 Apr 28
- Made:
- 1864
- maker:
- CHARLES WHEATSTONE
[Letter] 1864 Apr 28, Regents Park [to] Lord Otho Fitz-Gerald/C[harles] Wheatstone, [inviting his lordship to a demonstration of the Automatic Telegraph and other electrical experiments. 1p. Item came with a pamphlet (12p.): Prof. Wheatstone's patents/The Universal Private Telegraph Company, now in main Library stock at RB UNI]