CODES

Foss was a distinguished cryptanalyst, and his career is described in his entry in the Oxford DNB. At Bletchley Park during the Second World War he was the first person to decode a day's worth of the German Enigma Code (in 1940); and heading the Japanese Naval Section in Hut 7 (between 1942 and 1943). His wife Alison (née Graham, 1908-1979) inspired his interest in Scottish country dancing in the early 1930s. He was Vice-President of the Chelsea Reel Club on its formation in 1935; and became Chairman in 1938.

Foss was a distinguished cryptanalyst, and his career is described in his entry in the Oxford DNB. At Bletchley Park during the Second World War he was the first person to decode a day's worth of the German Enigma Code (in 1940); and heading the Japanese Naval Section in Hut 7 (between 1942 and 1943). His wife Alison (née Graham, 1908-1979) inspired his interest in Scottish country dancing in the early 1930s. He was Vice-President of the Chelsea Reel Club on its formation in 1935; and became Chairman in 1938. While at Bletchley he taught a regular class on the subject.

1p., 4to. In fair condition, lightly aged and worn. He begins by expressing pleasure at having been asked to write his name in Tyrrell's copy of his book (probably 'Benjamin Disraeli', published in 1926). He also thanks him for 'the kind things said about me in your letter'. He has 'tried to be useful in various ways', and remembers 'the case you mention.

Full subtitle: 'With a comparative review of the systems proposed by H. Cranmer Phillipps, R.N. and by Captain Levin Joergen Rohde, of the Royal Danish Navy, Knight of the Dannebrog, &c. &c.' The letter was previously attached by four small pieces of red sealing wax on the verso of its blank second leaf to the title-page of the pamphlet. Letter and pamphlet are now detached, with traces of wax adhering to both, but not affecting the text of either. LETTER: 12mo, one page. Good on aged paper.