https://s3.amazonaws.com/omeka-net/36717/archive/files/e4ee820bd40100d15cd52fd8f8157628.JPG?AWSAccessKeyId=AKIAI3ATG3OSQLO5HGKA&Expires=1551713313&Signature=9aco3cFacyUzCyONXZ2mWhGlJTU%3D

Media

Part of Negretti & Zambra Compound Microscope