Keywords: 1696, Gray's Water Microscope, Stephen Gray, England - Golub Collection of Antique Microscopes - DSC04767.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 02 22 own Daderot other versions cc-zero Uploaded with UploadWizard Microscopes in the Golub Collection of Antique Microscopes |