Changes

LMS Brake Third Corridor (BTK) 26880 was built in 1950 by BR at Derby<ref>SVR Stock Book states Wolverton</ref> to diagram number 2161 lot number 1501.<ref>Railway Heritage Register Carriage Survey[[Bibliography#Other References|Jenkinson & Essery (1977)]] p. 110.</ref><ref>SVR Stock Book Ninth Edition incorrectly states Wolverton</ref> It is known to have carried the number E26880M, the mixed prefix and suffix denoting a coach of LMS design allocated to BR’s Eastern region.<ref name=SVR93>SVR News 93</ref> After passenger service, it was converted in 1966 into a test car.<ref>[http://lmsca.org.uk/lms-coaches/br-departmental-coach-list/ LMS Carriage Association] (Retrieved 25 August 2019)</ref> 26880 saw departmental use as DM 395979.