From object | ||
Shelfmark: | 20121-0000 Musée des arts et métiers-CNAM (Paris France) | Suggestions & Corrections |
Type: | instrument | |
Dimension: | H.: 22; Diam.: 13,5 |
Component's data | |
Thematic group: | Instruments |
Type: | plate |
Abstract: | Circular brass plate with short threaded upright at centre of one suface |