https://s3.amazonaws.com/omeka-net/36717/archive/files/bd18dcca4baa7fa78bf94a27514cb351.JPG?AWSAccessKeyId=AKIAI3ATG3OSQLO5HGKA&Expires=1551713313&Signature=1E%2BoZ9EcIEegshg8xrVnR6RENZg%3D

Media

Part of Negretti & Zambra Compound Microscope