Mechanical tally counter. This device is used to count people,animals,vehicles and other items that pass by a location or are held at a location for a short period. Each time the metal tab at the top is pressed,the counter advances by one | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 4346 px × 4346 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |