![](https://coimages.sciencemuseumgroup.org.uk/54/191/large_thumbnail_1934_0651__0002_.jpg)
Swiss Chronograph Mechanism, 1860-1880
- Made:
- 1860-1880 in Switzerland
![Swiss independent centre seconds chronograph movement, 1860-1880](https://coimages.sciencemuseumgroup.org.uk/419/461/medium_smg00079906.jpg)
Swiss independent centre seconds chronograph movement, 1860-1880
Details
- Category:
- Time Measurement
- Object Number:
- 1930-157
- Materials:
- enamel, brass (copper, zinc alloy) and steel (metal)
- Measurements:
-
overall: 9 mm x 50 mm x 79 mm, .05kg
- type:
- calendar watch and instrument component
- credit:
- Mr. H. W. Ravenshaw