... . I found this one, which to me also suggests that the rodding doesn't link directly to the stretched bars, though one would need a higher res image to be certain? Tim2999_210431_140000000.jpg What I think I am seeing is what I assume is a rod link to the ground signal from the front of the switch blade.... then the front stretcher bar, and then the actuation rod coming in to the switch blade adjacent to the front stretcher bar? posted: 21 Oct 2017 09:46 from: Tim Lee 2999_210448_430000000.jpg Here is another example which also appears to have the rodding unconnected with the stretcher bars2999_210446_190000000.jpg Last edited on 21 Oct 2017 09:48 by Tim Lee posted: 21 Oct 2017 10:17 from: Ariels Girdle I tend to agree. You seem to be opening up a real can of worms here. posted: 21 Oct 2017 11:26 from: John Palmer The purpose of detection is to prove that a point tongue has assumed the correct position for clearance of its related signal. For this reason a detector rod ...