Glass globe with an iron axis and wooden end caps. There is an integral 3-sheave pulley on one cap. Unmarked except for an old, but not original, paper label associating it with David Rittenhouse. (Robert P. Multhauf, "Catalogue of Instruments and Models," 1961).

Circular glass plate on spindle turning through four leather-covered pads to generate static electricity. Two of the pads marked "Haut" and "Bas." Standing on extended wooden platform. Conductors and other attachments are missing.