20049-0000 Musée des arts et métiers-CNAM (Paris France)
Suggestions & Corrections
Type:
instrument
Dimension:
H.: 50; W.: 1,5; L.: 26,5; Mass: 940
Component's data
Thematic group:
Minerals
Type:
mineral
Abstract:
Two rectangular bar magnets in wooden case with keepers, separated by wooden strip, and both Poles marked on each. Case is of oak with brass hinges and claps.