Etched laboratory glassware. Measuring cylinder,pipette tubes and a chemical bottle to demonstrate the technique of glass etching. Etching is a form of engraving,which uses acid to create patterns on glass. The graduated markings and labels on this chemistry apparatus were created by using hydrogen fluoride (hydrofluoric acid) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Andrew Lambert Photography |
Taille de l’image : | 4908 px × 3627 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |