(31 May 2015, 7:42 pm)R838PRG wrote NGT 1975 Numbering Scheme - also has the depot allocations at Oct 1976
I have tried to decipher the 'legend' of Vehicle Manufacturers and Body Builders.
I can guess Ld is Leyland and AEC is obvious, as is MCW, ECW, Roe, Dr Daimler, Bl Bristol, and LN Leyland National.
Pn will be Plaxton, Wk Willowbrook, Du Duple, Ar Alexander, Wn Weymann, PR Park Royal, Rm Routemaster, Bm Burlingham, and Ml Marshall.
Re is, presumably, Renown.
Phew!