c.1900, German, unsigned, enamelled cast iron base, glass leyden jars, belt-driven 21cm contra-rotating twin ebonite disks with all nickel plated fittings, in original red card case
Sold for £375
Result plus buyers premium
c.1900, German, unsigned, enamelled cast iron base, glass leyden jars, belt-driven 21cm contra-rotating twin ebonite disks with all nickel plated fittings, in original red card case
Auction: Fine Scientific and Medical Instruments, 12th May, 2022