call bell

plural call bells

1. A bell used to summon an attendant, alert staff, or give a signal.

   He reached for a call-bell upon a stand near by and rang it furiously.

   1909, Charles Roman, “Across the Occean in a Bath-tub”, in The American Magazine - IN THE WONDERLAND OF DELIRIUM, page 584

   2 more examples

   The most excellent, the Vice-President of the United States”; but, instead, you hear the jingle of a little electric call-bell, then the soft whirr of rubber tires, and, lo, the VicePresident of the United States of America has gone by in an electriquette.

   1915, Felix J. Koch, Electrical Experimenter - Science And Invention, page 96

   He reached along the desk and thumped the call bell. The door of the night porter’s room opened and the porter came across the entrance lobby.

   1939, Raymond Chandler, “I'll be Waiting”, in Collected Stories of Raymond Chandler