Before I pull off the knob and send unit to recycle bin, does anyone have a use/want for a 6564049 Assy, General Radio, 3 Type M-5, 115V, 5 amp, 350 cycle (min), Variacs ganged 3 phase.? All in an enclosure. Asking... shipping . NOTE: 350 cycle ....looks new. Heavy. Rod, K0EQH Scott City KS