Lot 97: Mid-20th Century ER. L. Benson Telephones Electrical Testing Device

An electrical testing or communications device manufactured by ER. L. Benson Telephones L… Oceanfront England, likely dating to the mid-20th century. The unit comprises a main rectangular body with an attached smaller box, constructed primarily of black-painted metal. It features various bakelite knobs, switches, and connectors. Visible markings include “LOW IMPEDANCE ONE,” “POSITIVE INPUT,” “SELF OSCILLATE,” “OHM IMPEDANCE,” “EXT. REGULATOR,” “HIGH IMPEDANCE,” “FUSE WIRE,” “A/C OR D/C,” “BULBS,” “MAINS,” and a numeric display showing “02468” over “1357.”