“
On returning to the cabin I put telephones on to verify a time rush which I had exchanged with the Parisian early that afternoon. A 'time rush' is the slang wireless word for the exchange of the ship's time, which is always made when you encounter another ship to see if your clocks agree.
”
”
George Behe (Voices from the Carpathia: Rescuing RMS Titanic (Voices From History))