Types
STM
STM stood for "Small Town Machine". This was the standard time piece. It made announcements such as: "''Save by the 10th, earn from the first, at Central Brevard National Bank. Time one forty two.''" The STM had three recording drums and two sound heads. The drum on the left side of the machine was the widest; it held the customers' messages. On the right side of the machine were the hour drum and the minute drum. The hour drum was the narrowest of the three drums; it simply had the hours 1 through 12 recorded on it. The minute drum had the minutes 1 through 59 and o'clock recorded on it. Inside the STM were a series ofM12
This machine was similar in design to the STM machine. However, it had a feature called TLP (traffic load protection). M12s were used in larger cities with high call volumes. When call volumes were heavy, the M12 would shorten the message and then give the time. For example, "Central Brevard National Bank Time four o'clock." This allowed the phone company to handle more calls without overwhelming its system.Temp
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