Keywords: 1750-1770, solar microscope, Benjamin Martin, London - Golub Collection of Antique Microscopes - DSC04857.JPG en Microscope in the Golub Collection of Antique Microscopes exhibited at the University of California Berkeley - Berkeley California USA This microscope is old enough so that its design is in the public domain Photography was permitted without restriction 2013-11-15 14 12 09 own Daderot other versions cc-zero Microscopes in the Golub Collection of Antique Microscopes Uploaded with UploadWizard |