fv1609 Posted June 7, 2012 Author Share Posted June 7, 2012 It's purpose is pretty obvious. While the bell is plugged in, it rings, it is unplugged, the phone is then plugged in and someone says 'Hello' I should think so indeed. You all seem to be pitting your wits & I seem be the target Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 7, 2012 Author Share Posted June 7, 2012 A circuit tester for phone lines?A good thought but nope. The bell is connected predominantly but with the option of the telephone if needed. I suspect the plug-in nature of the bell box is that it is only plugged in when required & doesn't get ruined being left out in the rain for long periods. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 7, 2012 Author Share Posted June 7, 2012 To signal when Gas or Toxins clear in the trenches or enclosures????? A Curved Ball answer from this side of the room :-XSorry Wayne I missed you. Post came in whilst replying. Not a gas alarm. Bear in mind this was 1909. Is that a curved room as well? Quote Link to comment Share on other sites More sharing options...
gritineye Posted June 7, 2012 Share Posted June 7, 2012 Is the third wire of any significance? Is that for the phone as two would be enough for a simple bell circuit Quote Link to comment Share on other sites More sharing options...
Rover8FFR Posted June 7, 2012 Share Posted June 7, 2012 Is that a curved room as well? Oh Yes Indeed Clive with soft padded walls.......That's where you will send us all with these teasers............... Next time I will do more mental observation in your study........Mind you to many documents to remember and knowing you, ones for this will be shielded in a Faraday Cage............... Quote Link to comment Share on other sites More sharing options...
Rover8FFR Posted June 7, 2012 Share Posted June 7, 2012 Sorry Wayne I missed you. Post came in whilst replying. Not a gas alarm. Bear in mind this was 1909. Is that a curved room as well? Its not from a trench telephone is it??????????????? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 7, 2012 Author Share Posted June 7, 2012 Is the third wire of any significance? Is that for the phone as two would be enough for a simple bell circuitI think the brass strips in the bottom of the box connect together so when the box is inserted the lower two contact strips on the mounting bracket are short circuited. This could then be used to activate say a bulb & battery to indicate to the controller of the bells that a particular bell box was plugged in. The controller being out of earshot of the bell. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 7, 2012 Author Share Posted June 7, 2012 Its not from a trench telephone is it???????????????Nope In fact one of my answers today has virtually given away the answer :-D Quote Link to comment Share on other sites More sharing options...
gritineye Posted June 7, 2012 Share Posted June 7, 2012 'Over the top' signal? Quote Link to comment Share on other sites More sharing options...
Rover8FFR Posted June 7, 2012 Share Posted June 7, 2012 Used to give signal and comms to a forward battery of artillery or coastal gun positions etc. Possibly Boffors AAG's Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 7, 2012 Author Share Posted June 7, 2012 'Over the top' signal?Nope. This is not a trench warfare item. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 7, 2012 Author Share Posted June 7, 2012 Used to give signal and comms to a forward battery of artillery or coastal gun positions etc. Possibly Boffors AAG'sNope, but very vaguely sort of getting warm slightly perhaps maybe. Quote Link to comment Share on other sites More sharing options...
Richard Farrant Posted June 7, 2012 Share Posted June 7, 2012 Hi Clive, Just noticed that I seem to have done it again , thanks. Anyway as the quiz is still to be completed, I think it is a tester to to check each field telephone position and is checked at each end simultaniously, operator knowing that circuit is complete, and the checker knows it is working by the bell ringing. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 7, 2012 Author Share Posted June 7, 2012 I think it is a tester to to check each field telephone position and is checked at each end simultaniously, operator knowing that circuit is complete, and the checker knows it is working by the bell ringing.All sounds a very reasonable use of the apparatus, but it was designed for another purpose. Quote Link to comment Share on other sites More sharing options...
Richard Farrant Posted June 7, 2012 Share Posted June 7, 2012 All sounds a very reasonable use of the apparatus, but it was designed for another purpose. OK ,another thought then. The telephone was not normally installed for securuty reasons, and bell box fitted in place, when it rang, the person in charge would remove bell and insert phone ........... off to bed, as I am sure this is probably not correct ! Quote Link to comment Share on other sites More sharing options...
ruxy Posted June 7, 2012 Share Posted June 7, 2012 It is a "token" to allow operation on a military munitions railway line , wires from connection probably connected to the rails are means of communication to signal box. Quote Link to comment Share on other sites More sharing options...
Tony B Posted June 8, 2012 Share Posted June 8, 2012 As you doing the 'vauge' conformation bit on it being artillery related . Is the 'third wire ' connected to the firing mechanism of the gun, to allow remote firing? Quote Link to comment Share on other sites More sharing options...
Redherring Posted June 8, 2012 Share Posted June 8, 2012 Hmmm. Perhaps the controller was the FOO and the bell was at the battery. The FOO had to contend with loss of communications due to bomb blasts, perhaps the third line allowed him to check the connection with the bell i.e. check for a complete cirtuit. If the circuit was open they would rush about and replace the lines - while under fire. And then again, maybe I'm completely off the beam... Robert Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 8, 2012 Author Share Posted June 8, 2012 OK ,another thought then. The telephone was not normally installed for securuty reasons, and bell box fitted in place, when it rang, the person in charge would remove bell and insert phone ........... off to bed, as I am sure this is probably not correct !You are right Richard not correct. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 8, 2012 Author Share Posted June 8, 2012 It is a "token" to allow operation on a military munitions railway line , wires from connection probably connected to the rails are means of communication to signal box.An intriguing idea Tony but not correct. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 8, 2012 Author Share Posted June 8, 2012 As you doing the 'vauge' conformation bit on it being artillery related . Is the 'third wire ' connected to the firing mechanism of the gun, to allow remote firing?The vague is probably too vague to be of value in untangling the use. There were two words in one of my replies yesterday that extracted from the context will give the game away. Quote Link to comment Share on other sites More sharing options...
Degsy Posted June 8, 2012 Share Posted June 8, 2012 Fire alarm? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 8, 2012 Author Share Posted June 8, 2012 Hmmm. Perhaps the controller was the FOO and the bell was at the battery. The FOO had to contend with loss of communications due to bomb blasts, perhaps the third line allowed him to check the connection with the bell i.e. check for a complete cirtuit. If the circuit was open they would rush about and replace the lines - while under fire. And then again, maybe I'm completely off the beam... Robert I'm afraid no FOOs envolved. This equipment was not for use in actual conflict. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted June 8, 2012 Author Share Posted June 8, 2012 Fire alarm?Not in that sense. Quote Link to comment Share on other sites More sharing options...
Degsy Posted June 8, 2012 Share Posted June 8, 2012 Does it indicate to the controller the area where a fire has started, perhaps in which building on a camp or depot. Quote Link to comment Share on other sites More sharing options...
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