E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Cuttle.
Captain Cuttle. An eccentric, kind-hearted sailor, simple as a child, credulous of every tale, and generous as the sun. He is immortalised by the motto selected by Notes and Queries, When found make a note of. (Dickens: Dombey and Son.)
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Unfortunately, I neglected Captain Cuttles advice, and am now unable to find it.W. H. Husk: Notes and Queries.