This section is from the book "The National Capitol. Its Architecture Art And History", by George C. Hazelton, Jr. Also available from Amazon: The National Capitol Its Architecture Art and History.
Next to the consultation room, on the same side of the hallway, is the Senate barber shop. Its window faces to the west. A portion of the room is occupied by the private bath-tubs for Senators. The attendants receive a stated salary for their services.