12 X 12 NYNEX TTY
NYNEX 12 X 12 two sided flanged aluminum TTY sign. This sign was made in 1995. TTY (teletypewriter) is a device with a screen and keypad with keys that enable a person who is hard of hearing to read and key in the conversation on a telephone call. These can be home devices and there are also commercial models that were mounted at payphone locations.
