CRYPTOGRAPHY

Autograph Letter Signed to William Symonds, R.N., with presentation copy of 'Some Remarks on the Rules to be observed in forming a Code of International Signals; with a comparative review of the systems proposed [...] by Captain Levin Joergen Rohde'.

Author: 
Henry Cranmer Phillipps [Henry Cranmer March Phillipps], R.N.; Captain Levin Joergen Rohde, of the Royal Danish Navy, Knight of the Dannebrog; Sir William Symonds
Publication details: 
LETTER: [Avebury, B[uckinghamshire]?], 3 November 1835; PAMPHLET: London: Longman, Rees, Orme, Brown, Green & Longman, Paternoster-row. 1835. [Printed by Manning and Smithson, Ivy Lane, Paternoster Row.]
£120.00

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.

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