Spot galvanometer Spot galvanometer Spot galvanometer, Tinsley type, in wooden case, by H. Tinsley and Co. Ltd., London, SE25, England, 1949-1960. Materials: wood , metal , plastic and glass Object Number: 1979-729/1 type: ammeters
Ruler from Spot galvanometer Ruler from Spot galvanometer Ruler from Spot galvanometer, Tinsley type, in wooden case, by H. Tinsley and Co. Ltd., London, SE25, England, 1949-1960. Materials: wood , metal , plastic and glass Object Number: 1979-729/2 type: ammeters