![](http://www.alamy.com/thumbs/6/DAC46810-377B-4D95-A42D-0866063668FB/2RCGDWJ.jpg)
Camp Pike in Little Rock, Ark., has a Power Panel Diaphone Signal Fire alarm system at the main Camp telephone exchange. The photograph is dated 9/24/18. The system is identified as NUMBER 62,407 The description also mentions the year 189UED! and a symbol for 1919.
Size: 8523px × 5763px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No
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