Wooden box, varnished. Serial No.22591 (can also be found on the mechanism itself). The device has a pull-out conductor with a special connector (probably a double screw fitting). Crank on right side. Pull cord on left side attached to retractable fly-lead. Single screw lock on top. Dovetailed corners of box.
EVERSHED & VIGNOLES LTD / LONDON / No 22591 200Volts / EVERSHED'S PATENT Maker's Plate
Evershed and Vignoles Limited. Generator - Electrostatic Charge, F494.2001. The Museum of Transport and Technology (MOTAT).