Edward Bulwer-Lytton, 1st Baron Lytton (1803-1873), writer and politician. Autograph letter, November 1868, to a gentleman on the subject of a new screw propeller. At this time, Bulwer-Lytton was in a relationship with Henrietta Vansittart, an engineer and naval architect who, in 1868, had been able to get a patent for the Lowe-Vansittart propeller. Folds, light handling wear. Size 180mm x 115mm. Condition is good with Folds and light age toning.