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The "H & M Duette Dual Control Unit Boxed Excellent condition" would be best for those who need two compatible control units that function as a pair.
Vintage H&M Hammant & Morgan H&M Duette Model Railway Twin Power Supply Unit
H & M Point motors x3 Working order Very robust H&M
H&M Hammant & Morgan H&M Duette Model Railway Twin Power Supply Unit Tested
H & M / Hammant & Morgan Model FS 2 Switch boxed excellent (m)
H&M power unit
