Western Electric No. 20-K speaking tube desk telephone

This No. 20-K Speaking Tube Desk Telephone was used for hotel service between 1903 - 1906. It is equipped with a high resistance lettered White Solid Back 7 digit beveled transmitter code No. 225, and a code No. 129 unipolar low resistance watch case receiver. The base and shaft have been reproduced but the speaking tube and the receiver are original. Please see the scan of this No. 20-K from an early Western Electric Telephone supply catalog.