1978 Article on the MK12c, a Predecessor to the M30 Autodialler
Below is an early article from the 1978 Poultry World magazine on the Mk12C automatic autodialler an early predecessor of the M30 Alarm dialer.
This machine had its messages stored on 8 track tapes!!!!
Article from 1978 about the mk12c Alarm dialler a predecessor to the M30
Written by M60 GSM Alarm Dialer
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