From object | ||
Shelfmark: | 20053-0004 Musée des arts et métiers-CNAM (Paris France) | Suggestions & Corrections |
Type: | instrument | |
Dimension: | L.: 12; W.: 6; H.: 1 |
Component's data | |
Thematic group: | Instruments |
Type: | magnet |
Abstract: | S-shaped magnet, north pole only marked |