20124-0000 Musée des arts et métiers-CNAM (Paris France)
Suggestions & Corrections
Type:
instrument
Dimension:
H.: 9,5; W.: 8; L.: 17; Mass: 130 g.
Component's data
Thematic group:
Instruments
Type:
apparatus
Abstract:
Electrical sparking apparatus in brass and glass, with two uprights on a horizontal, supported at its mid-point by another horizontal carrying a third upright. The first two uprights, one of brass and the other of glass, carry arms (brass) with ball-end (brass). All three uprights slide in slots with clamping-screws below.