Telephony Slide 1 ear T R mouth DTMF ringer C dial switch SLIC Telephone Subscriber Line CO (Local Exchange) cradle switch off-hook on-hook tip (+) ring.
Mechanical_Intro_14.5_WS7.2_CEqn.pdf
Crosby Rov Shank Hooks
Berninas-Happy-Service-Manual_166b7.pdf
Accesorii ROV Crosby : chei tachelaj
Crosby ROV brochure - English
