"REPLY-AND-CALL" CENTRAL STATION AUTOMATIC
Pattern No. B595
Comprises Hand Combination Transmitter and Receiver with Double Contact Key, Cord, Automatic Replacement Cradle, Induction Coil, Buzzer, Push Button, Automatic Replacement Levers, Pair of Through Connection Plugs, and Wall Rosette and Cord.
This is a table form of Pattern No. B590 of which a full description is given.
5, 10, 15, 20, 25 & 30 line models.