Weighing scales. Mechanical spring scales consisting of a platform (top centre),a face (left) and pointer (centre left). The scales are calibrated to kilograms (red) and stones (black). When the subject stands on the platform,a spring is compressed or stretched to balance the load. The needle is moved around the face in accordance with the stretching or compression of the spring. Scales such as these are often found in homes,clinics and hospitals | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tek Image |
Taille de l’image : | 3307 px × 3304 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |