Sudre, François (1787--1862)
Londres, le 25 juin, 1835. Monsieur, L'idée de propager une découverte utile â [sic] l'humanité ainsi qu'à tous les gouvernements, m'a conduit dans votre beau pays. ... F. Sudre. 87, Regent Street, ...
London (Place), [1835].
[4] p. ; 23.4 cm. (4º)

Folded half-sheet, first verso and conjugate leaf blank. Drop-head title. A printed letter from François Sudre to members of the Royal Society on the recommendation of M. Arago (i.e. Dominique François Jean Arago, elected F.R.S. in 1818), advertising a public demonstration of his system of "telephonic" communication using music in the Concert Room of the King's Theatre on 8 July 1835. The letter refers to 'Rapports que j'ai l'honneur de vous adresser', doubtless the undated Reports made upon the musical language invented by F. Sudre (q.v.) and consecutively paginated Opinion of the French press on the musical language, invented by M. Sudre (q.v.).

Copy Notes Previously folded as an envelope addressed in ink to Sir John Soane, / Membre de la Societé Royale, / 13 Lincoln's-inn-fields, red wax seal with monogram 'FS', sender's address in pencil on fold Sudre / Regent Str 87.

Binding Folded paper.

Reference Number 6795