Ackerman-Boland No. 172 Desk Telephone Plug System.


No. 172 desk telephone plug system (Ackerman-Boland Tel. Co.)
Ackerman-Boland Tel. Co.
Outstanding original condition.


Extremely rare Ackerman-Boland No. 172 desk telephone plug system. “Non-interfering, inter-communicating, 12 station portable desk telephone.” Please see the scan of an original 1901 Ackerman-Boland catalog showing the plug system desk top telephone. “It is self contained; has the latest improved adjustable transmitter and long distance receiver; special automatic hook; no contacts in upright which is solid cast brass; heavily nickeled, and made without joints of any kind.” It goes on to say, “The Company has for some years devoted itself zealously to the study, development and manufacture of interior telephones ranging in capacity from 2 - 25 stations.” 


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