Vintage Hilger & Watts Wooden Instrument Case Box Dovetail Brass Galvanometer UK

Rare 1920s Leeds & Northrup Wheatstone Bridge Open Dial Decade Resistance Device

Vintage D.C. Galvanometer Science Kit SK MF-7

Antique Central Scientific Co. Wheatstone Bridge Electrical Resistance Device

R B Marshall MEGOHM Bridge High Resistance Wheatstone Bridge Console Rack Mount

Vintage Leeds & Northrup Mirror Galvanometer - Restored Suspension - Working

Vintage Laboratory Moving Coil / Mirror GALVANOMETER Cambridge Instruments

Vtg Cambosco Scientific Co, Boston, MA, Galvanometer Untested Rare Parts/Repair