 Charlton then combined with Ernest Henry, Moss Christie and Beaurepaire to claim silver in the 4 × 200 m freestyle relay behind the United States.Although Charlton had claimed the lead from the Americans in the second leg, the two following Australians were overwhelmed, losing by nine seconds, with the Americans setting another world record.Physiologists had become involved in sport at the time of the Paris Olympics and Charlton's lung capacity was tested with a machine, which blew mercury through a set of bent tubes.