https://s3.amazonaws.com/omeka-net/36717/archive/files/80af1f6aac5f962772bb6c5c88e66102.JPG?AWSAccessKeyId=AKIAI3ATG3OSQLO5HGKA&Expires=1551713319&Signature=EiPmvCTvbDRFWlWe%2Btu766kidd8%3D

Media

Part of Charles Baker "Ross Type" Microscope