Model Rectifier Corp Dualpack Model 1722 N-Gauge 1/160 Power Supply Transformer

MODEL RECTIFIER CORP, POWERPACK TOY TRANSFORMER, MODEL 64, TESTED WORKS GREAT

Vintage Throttle Pack Model 3 Transformer: Rectifier Corp Brooklyn NY

KF Industries Dual Control HO Power Pack Mod CB 52 Untested Transformer Train

Trainpack HO Toy Hobby Transformer Model 100 Rectifier Corporation

TYCO-PAK HO Toy Transformer Model No 853 NICE!

Vintage Varney Powerpak Toy transformer Model 56A Scintilla Rail & Power WORKS

Bachmann #6605 Power Pack Model Train Hobby Transformer HO & N Scale BLUE