[ César-François Cassini de Thury, French astronomer. ] Signed ('Cassini de Thury') Autograph Copy of Letter, in French, sent to 'M. Bayeux', regarding the Sieur du Tremblay.

Author: 
César-François Cassini de Thury (1714-1784), French astronomer and cartographer [ Daniel-Charles Trudaine (1703-1769), civil engineer ]
Publication details: 
Paris. 3 June 1751.
£450.00
SKU: 17981

1p., 4to. In very good condition, on lightly aged paper. Tipped into a paper wallet, on the front of which is written in a contemporary hand the entry from the1833 bookseller's catalogue from which it was purchased, indicating that the item was considered uncommon even at that time: 'Cassini, the Astronomer, relative to a Memoir of the Sieur du Tremblay. | A choice specimen of a scarce Autograph. | No 176 Thorpe's Catalogue 1833'. Cassini's copy letter, with nine lines of text, is written over the unsigned letter to which it is the reply.. Note by Cassini in top left-hand corner:states that the letter was 'Envoyé a M. Bayeux Le 3. Juin'. The letter contains a reference to 'Mr de Trudaine'.