BELL TELEPHONE MANUFACTURING Co.
(BTMC) ANTWERP
Telephone No. 3639

Pictures dated 1920

TELEPHONE STATIONS FOR CENTRAL BATTERY NETWORKS
FULLY MANUAL AND AUTOMATIC SYSTEMS

Table telephones with bellsets.

23639
A manual telephone with cradle, base, Bellset and handset.

73639
An automatic telephone with Dial, cradle, base, Bellset and handset.