oo/ho/n Gauge Boxed H & M Hornby Duette Double Transformer Controller | eBay
HAMMANT & MORGAN Duette H&M Transformer Controller £16.40 - PicClick UK
H & M TRAIN SET TWIN CONTROLLER DUETTE VINTAGE WORKS WELL CONTROL | Collectables | Gumtree Australia Charles Sturt Area - West Lakes Shore | 1308999832
HAMMANT & MORGAN H&M Duette twin track controller.*SUPERB*BOXED*TESTED* | #486135449