EICO Model 1020 Power Supply Provides continuously variable 0-30 vdc. Full-wave silicon diode rectifiers. Fused primary. Current range: 150ma from 0-12v 200ma from 12-24v 300ma from 24-30v Voltmeter range: 0-6, 0-30 v Max ripple at full load: .005% Cabinet Size: (HWD) 5" X 4" X 5 1/2" Weight: 4 lbs $19.95 (1962) $25.95 (1970)