20125-0000 Musée des arts et métiers-CNAM (Paris France)
Suggestions & Corrections
Type:
instrument
Dimension:
L.: 25,5; W.: 6,5; H.: 12
Component's data
Thematic group:
Instruments
Type:
apparatus
Abstract:
Electrical sparking apparatus. Brass points, retractable, mounted to rotate on wooden pillars fixed to wooden base and to spark just above a wooden platform within marble top