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Autograph letter addressed from "20 Conduit Street, London", signed, to Jean-Sylvain Van de Weyer, asking him to help in passage to Brussels to discuss practical applications of the electromagnetic telegraph and to show his invention to the King.

Autograph letter addressed from "4 Harley Place", signed, to Jean-Sylvain Van de Weyer, inviting him to dinner on Friday next. The early hour of the dinner is owing to Mr Seaward the engineer who comes all the way from Limehouse. In addition he expects the American Minister, Mr Babbage and Professor Wheatstone.