A drawing of a flea glass,a simple form of a single lens microscope. AB is a tube with a lens fixed at end B. The tube is sealed by a flat glass plate at end A. C is the specimen and D is the light source. Taken from Kircker's 'Ars Magnis Lucis et Umbrae',published in 1646 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
Taille de l’image : | 5437 px × 3720 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |