D stock double ended units

hellocontrol Line Controller Posts: 575	D stock double ended units Feb 25, 2014 13:32:15 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by hellocontrol on Feb 25, 2014 13:32:15 GMT I have been told that at least two double ended units are to be kept for engineering purpose's that's all I know at the moment. Can anyone expand?
	I will only say this once.