Number code. System of semaphore-like symbols used as a code for numbers. A combination of 36 left and right arm and leg positions can be used to encode the numbers from 1 to 9999. Artwork from the tenth volume (second period of 1892) of the French popular science weekly 'La Science Illustree' | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 5672 px × 3720 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |