Immisch patent silver skin thermometer in it's case. The face reads 'Pillischer,London'. German born Moritz Immisch was a well known clinical instrument maker and obtained the patent for this small,watch-shaped thermometer in 1881. This thermometer dates from around 1890 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 3546 px × 5479 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |