. The Bell System technical journal . Fig. 5—Desk Stand Equipped with Dial ments, supplemented by field trials, power-driven apparatus of thepanel type has been found to be the most suitable, and is now insuccessful operation in New York City and in other large cities in thecountry. General Plan of Operation At the expense of some repetition it seems desirable in order to giveas clear an understanding as possible as to the operation of the system,to first give a brief outline of how the call is handled and a descriptionof the more important elements of the equipment, before going intoa detaile
. The Bell System technical journal . Fig. 5—Desk Stand Equipped with Dial ments, supplemented by field trials, power-driven apparatus of thepanel type has been found to be the most suitable, and is now insuccessful operation in New York City and in other large cities in thecountry. General Plan of Operation At the expense of some repetition it seems desirable in order to giveas clear an understanding as possible as to the operation of the system,to first give a brief outline of how the call is handled and a descriptionof the more important elements of the equipment, before going intoa detailed description of the operation of the system. MACHINE SWITCHING TELEPHONE SYSTEM 61 The subscribers station is equipped with the usual form of tele-phone instrument and, in addition, with a calling device known as adial, mounted at the base of the desk stand, as shown in Fig. dial has ten finger holes, bearing letters and figures, as shown inFig. RNOR AOJUSTINCGOVERNOh
Size: 1724px × 1449px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
