Italian-manufactured haemocytometer packaged in a case containing: a haemoglobin colour wheel (lower half of case), information booklet (top) and a needle secured in a metal tube. Haemocytometers are instruments used to count the number of cells in blood samples. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science History Institute |
Taille de l’image : | 4398 px × 6399 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |