BE- 506 Battery boxes for holding cells of 1.5 volts.
BE- 512 Battery automatic Charging non maintenance ready for use.
BE- 514 Storage Batteries 12 V Non Maintenance "Exide" or any standard make.
BE- 516 Battery Charger, heavy duty. Fitted withammeter charger can two battery of 12 volts at different amperes.
BE- 517 Battery Eliminator. DC Biotech. For - 2, 4, 6, 8, 10, & 12 volts DC at different amperes.
BE - 601 Meter Bridge - Wheatstone Bridge. Biotech brass fittings. Brass Spring type Jockey wooden base with sunmica sheet.
BE -620 Biotech decade condensers these are manufactured in one or more dials. Each consisting of 10 sections.
BE -672 Constant Volts Transformer (CVT) input 180 V to 260 V output 220 V.
BE -677 Rheostats : 5-6 cms. dia tube wound with heavily oxidised eureka wire and mounted. Tube Lenth in cms.