What does annunciator mean?
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by Jyotindra Killedar
Alarm Annunciation The alarm annunciator is a device incorporated into the control system which gives audiovisual information about a parameter which has crossed the set/prescribed limit. Alarm takes place when something happens in ...
by Michael E. Brumbach, Jeffrey A. Clade
An annunciator is a signaling apparatus.
Annunciator.—The annunciator is the apparatus that is employed in connection with electric bells and telephones,
systems, apparatus, operation ... by William Maver (the younger.)
The switch j annunciator a and battery n may be located in a station.
by John E. Traister
Chime Annunciator Any other item on same system - . use numbers as required. -f—  Electric Door ...
annunciator 200 anomalistic an-nun -cl-a-t5r, *. [In Ital. annunziatore ; from Lat. annuntiator.] 1. Gen.: One whoannounces. •2. Eccles.: An officer in the church at Constantinople whose duty it was to inform the people of the festivals about to be ...
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Passing information between the bridge and the engine room.
Photo credit: Capt' Gorgeous
This is from the "LT-5", only surviving WWII Army oceangoing tug, currently berthed and restored to operating condition at the H. Lee White Marine Museum, Oswego, NY.
This photo was also picked up by the "No Ideas But In Things" blog, here.
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Photo credit: reivax
Up Main line annunciator in Castleton East Junction signal box. Sunday 3rd September 2007
Ref no P9030250
Photo credit: Ingy The Wingy
Photo credit: peretzpup
In the USS Bowfin.
Photo credit: Ross
Photo credit: evokilla
From the Apollo/Saturn V Center introductory movie.
Photo credit: RyanCrierie