1847 / Book or monograph
A Code of Signals ... in the Merchant Service
Communication, telegraphy and codes · Navigation, seamanship and maritime practice
271 pages Open documentOpening preserved document…
On the same shelf.
Related subjects
[pref. 1909] / Dictionary, handbook or reference work
Bentley's complete phrase code (nearly 1000 million combinations) with at least 2 letters difference between each half-code word)
Communication, telegraphy and codes
356 pages Open document
Undated / Book or monograph
Histoire de la télégraphie
Communication, telegraphy and codes
283 pages Open documentSource record
Bibliographic identity checked against available scan and source evidence.
File and catalogue details
obscure/abc-telegraphic-code-1873.pdf
SHA-256: 17e11fd3276ce2d78e6f3cc99b1bad6a4de6ecc50e4ab6760985351f18100a76
Catalogue reviewed 19 September 2026. Original scans retained; catalogue labels do not endorse historical claims.