
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…

Bibliographic identity checked against available scan and source evidence.
Digitizing archive catalogue
https://archive.org/details/kedgeanchororyou00bradrich
found-clear/the-kedge-anchor.pdf
SHA-256: 66b253d77f32b3404769e757c08d0b098f3e0dbadf35486a9153c2df62641ed4
Catalogue reviewed 19 September 2026. Original scans retained; catalogue labels do not endorse historical claims.