Imperial Model 1200 HO Transformer MRC Electronics Corporation Untested R1D4

MRC Railine 300 Powerpack Model Train Transformer Controller Tested

Vintage MRC Railpower 1200 Powerpack HO N Scale Train Transformer Tested Boxed

MRC Railine 370 Ho Transformer w pulse power - For Ho Scale - Tested All Metal

MRC Railpower 1200 Model Train Power Pack Transformer untested

MRC Controlmaster V Transistorized Gauge Train Control Power Supply UNTESTED IOB

MRC HO Gauge Train Pack 100 - Model Train Control Power Pack/Hobby Transformer

MRC Ampack Train Control Model 402 HO Transformer W/ Box & Power Pack