Ten real historic microscopes from museum collections: Marshall, Sterrop, Watkins, Pyefinch, Lister, Oberhaeuser, Nachet, early Zeiss, Crouch, and Zeiss Jena 1914. Photograph credits: 1. File:1710-1720, great double microscope, John Marshall, England - Golub Collection of Antique Microscopes - DSC04841.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:1710-1720,_great_double_microscope,_John_Marshall,_England_-_Golub_Collection_of_Antique_Microscopes_-_DSC04841.JPG; 2. File:1745 circa, tripod microscope, George Sterrop, England - Golub Collection of Antique Microscopes - DSC04833.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:1745_circa,_tripod_microscope,_George_Sterrop,_England_-_Golub_Collection_of_Antique_Microscopes_-_DSC04833.JPG; 3. File:1750 circa, brass compound microscope, Francis Watkins, England - Golub Collection of Antique Microscopes - DSC04748.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:1750_circa,_brass_compound_microscope,_Francis_Watkins,_England_-_Golub_Collection_of_Antique_Microscopes_-_DSC04748.JPG; 4. File:1780 circa, Henry Pyefinch microscope, England, compound microscope - Golub Collection of Antique Microscopes - DSC04704.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:1780_circa,_Henry_Pyefinch_microscope,_England,_compound_microscope_-_Golub_Collection_of_Antique_Microscopes_-_DSC04704.JPG; 5. File:The Cuff compound microscope. Wellcome M0017157.jpg; https://wellcomeimages.org/indexplus/obf_images/c1/43/fb69a0180f54b2de39ac5c6404ae.jpg Gallery: https://wellcomeimages.org/indexplus/image/M0017157.html Wellcome Collection gallery (2018-04-03): https://wellcomecollection.org/works/uubnnv4v CC-BY-4.0; CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File:The_Cuff_compound_microscope._Wellcome_M0017157.jpg; 6. File:1849-1850, Oberhaeuser drum microscope, Georges Oberhaeuser, Germany - Golub Collection of Antique Microscopes - DSC04782.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:1849-1850,_Oberhaeuser_drum_microscope,_Georges_Oberhaeuser,_Germany_-_Golub_Collection_of_Antique_Microscopes_-_DSC04782.JPG; 7. File:1850-1880, Nachet small brass chest microscope, Nachet & Son, France, compound microscope - Golub Collection of Antique Microscopes - DSC04716.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:1850-1880,_Nachet_small_brass_chest_microscope,_Nachet_&_Son,_France,_compound_microscope_-_Golub_Collection_of_Antique_Microscopes_-_DSC04716.JPG; 8. File:1865 circa, dissecting microscope, Carl Zeiss, Germany - Golub Collection of Antique Microscopes - DSC04820.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:1865_circa,_dissecting_microscope,_Carl_Zeiss,_Germany_-_Golub_Collection_of_Antique_Microscopes_-_DSC04820.JPG; 9. File:1870 circa, binocular compound microscope, Henry Crouch, England - Golub Collection of Antique Microscopes - DSC04870.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:1870_circa,_binocular_compound_microscope,_Henry_Crouch,_England_-_Golub_Collection_of_Antique_Microscopes_-_DSC04870.JPG; 10. File:Binocular compound microscope, Carl Zeiss Jena, 1914 (6779276516).jpg; Chad Anderson, staff photographer for SFO Museum; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File:Binocular_compound_microscope,_Carl_Zeiss_Jena,_1914_(6779276516).jpg;