• Parts or display – BERCO (later part of Claude Lyons) produced high-quality power rheostats prized for durability. • Type: RTT (dual ceramic tube model). The maker’s plate is crisp and fully legible – a nice touch for collectors.
Vintage Bercostat Type 150LAB Variable Rheostat / Potentiometer 0-100 Ohms.
Berco Electronics Dual Bercostat C150/G2 71Ω 2.73-0.85A
Vintage Bercostat 750 Ohm 0.5 Amp Rotary Rheostat Variable Resistor Type L150 CF
Berco Rheostat Potentiometer Variable Resistor 2.7 Ohm 10amps
Vintage Berco 28.5 Ohm 3.3 Amp Wirewound Rheostat Variable Resistor
Large Vintage BERCOSTAT L500 50 ohm Wirewound Power Rheostat 310mm Dia 1960s