Claim: Arthur Thomas Doodson revised a practical system for specifying the different sonar components of the tide-generating potential in the Doodson Numbers; he also became involved in the destruction of a machine like the "Doodson-Légé TPM."
Evidence: Doodson also became involved in the design of tide-predicting machines, of which a widely used example was the "Doodson-Légé TPM".