Staco Energy Variable Transformer Model 501C With Hurst Model AB Motor

STACO ENERGY 501C VARIABLE TRANSFORMER

NEW STACO ENERGY 501C VARIABLE TRANSFORMER

Vintage Staco 3PN501B Variable Transformer

Staco Energy 501C Variable Transformer Variac 120V In 0-120/140V Out 5A

STACO ENERGY PRODUCTS 501C: 5A 120V Single-Phase Variable Transformer

Vintage Staco Energy Products Co. 2510CT Variable Transformer, Powers On, As Is