. "1002555447"^^ . . . . "Pearson's Coupling was a safety relevant improvement for connecting the hoses of the Westinghouse Air Brake Company between railway carriages."@en . . . . "57312292"^^ . "Pearson's Coupling"@en . . . . . . . . "Pearson's Coupling was a safety relevant improvement for connecting the hoses of the Westinghouse Air Brake Company between railway carriages."@en . . "2681"^^ .