A large American made induction coil labeled, “Thordarson Elec Chicago”, measuring 18 x 12.5 by 13.5 tall with nickel plated gap adjustments and terminals and knife switch. Circa 1900. All in very good condition.
Offered by Esoterica Curiosa: Dale Beeks, specialist collector, purveyor & curatorial consultant of historical surveying & scientific instruments. Item #432