Type 21 Wall Phone Antique Phones they required a separate subset

they required a separate subset containing a ringer

This feature was promoted extensively by Western Electric in their "It's little

The phone has been fully refurbished

and a ringer to notify you of incoming calls

Type 21 Wall Phone Antique Phones they required a separate subsetAutomatic Electric Type 21 dial wall phone, ringer, 1920s 30s. Metal Cabinet. The Automatic Electric Type 21 Metal Wall Phone dates from the 1930s and includes all required components including the ringer in a single cabinet. It is the wall phone equivalent to the AE Type 21 Candlestick that was so popular at the time. Due to the small size of Model 21 relative to other wall phones of the time, it proved to be extremely popular and the product