"electric wind from charged point" apparatus
Date: circa 1840
Inventory Number: DW0030b
Classification: Electrical Apparatus
Dimensions:9.1 × 11.3 × 2.6 cm (3 9/16 × 4 7/16 × 1 in.)
Description:
Bent, tapered brass point is mounted in a brass ball. Ball has a threaded bottom stem.