Treble O Lectric. & the colour coding of the cable is now outdated. I've not tested the unit.
Vintage Model Train Set Railroading Magazines Model Railroader USA Jan-Dec 1972
Vintage Model Train Coach M79628 Green British Railway Collectible H0 Scale
Vintage Model Train Set Meccano Hornby Series Railway Wagons Loco 163502 PPWH
Vintage Trix Electric Model Train Railway Catalogue 1966 with price list USED
Model Railways Constructor October 1958 Vintage Magazine Train Railway Modelling
Lionel Hudson 5344 J-Ie Train Engine Catalog - Vintage Model Train Booklet Rare
