3.6-inch ball conductor
Date: 1775-1850
Inventory Number: 1998-1-0911
Classification: Conductor
Dimensions:ball conductor: 14 × 9.4 × 9.4 cm (5 1/2 × 3 11/16 × 3 11/16 in.)
Description:
brass ball conductor with knob on top and stem on bottom. Stem and knob are both threaded internally. Insulating stand missing.