From object | ||
Shelfmark: | 20053-0005 Musée des arts et métiers-CNAM (Paris France) | Suggestions & Corrections |
Type: | instrument | |
Dimension: | H.: 1; Diam.: 8 |
Component's data | |
Thematic group: | Instruments |
Type: | magnet |
Abstract: | Annular magnet, with north pole only marked |