![Watson Service Microscope 1931, serial number 46017. Very rare in this condition, possibly never been used. Complete with wooden case with securing pieces for transportation. Watson Service Microscope 1931, serial number 46017. Very rare in this condition, possibly never been used. Complete with wooden case with securing pieces for transportation.](https://hansonslive.hansonsauctioneers.co.uk/images/lot/9318/93189_0.jpg?1606485005)
Watson Service Microscope 1931, serial number 46017. Very rare in this condition, possibly never been used. Complete with wooden case with securing pieces for transportation.
![Chicago, Illinois: 21 janvier 1947 Harvey Lemon, conservateur de la physique au Musée des sciences et de l'industrie, explique à un étudiant de 15 ans comment fonctionne le nouveau microscope électronique de Chicago, Illinois: 21 janvier 1947 Harvey Lemon, conservateur de la physique au Musée des sciences et de l'industrie, explique à un étudiant de 15 ans comment fonctionne le nouveau microscope électronique de](https://c8.alamy.com/compfr/2r9c76w/chicago-illinois-21-janvier-1947-harvey-lemon-conservateur-de-la-physique-au-musee-des-sciences-et-de-l-industrie-explique-a-un-etudiant-de-15-ans-comment-fonctionne-le-nouveau-microscope-electronique-de-l-universite-northwestern-il-est-capable-de-grossissant-22-000-fois-2r9c76w.jpg)
Chicago, Illinois: 21 janvier 1947 Harvey Lemon, conservateur de la physique au Musée des sciences et de l'industrie, explique à un étudiant de 15 ans comment fonctionne le nouveau microscope électronique de
![The optical microscope changed the science field forever. German physicist Ernst Ruska and the electrical engineer Max… | Electron microscope, Microscope, Electrons The optical microscope changed the science field forever. German physicist Ernst Ruska and the electrical engineer Max… | Electron microscope, Microscope, Electrons](https://i.pinimg.com/1200x/e5/aa/fc/e5aafccd2e5ba4ae342ac0ba97d1d947.jpg)
The optical microscope changed the science field forever. German physicist Ernst Ruska and the electrical engineer Max… | Electron microscope, Microscope, Electrons
![Watson Service Microscope 1931, serial number 46017. Very rare in this condition, possibly never been used. Complete with wooden case with securing pieces for transportation. Watson Service Microscope 1931, serial number 46017. Very rare in this condition, possibly never been used. Complete with wooden case with securing pieces for transportation.](https://hansonslive.hansonsauctioneers.co.uk/images/lot/9319/93190_0.jpg?1606485005)
Watson Service Microscope 1931, serial number 46017. Very rare in this condition, possibly never been used. Complete with wooden case with securing pieces for transportation.
RCA Model EMU electron microscope in the Aeronautical Materials Laboratory - Science History Institute Digital Collections
![OPTO-EDU A41.1931 Microscope opératoire, double tête, manuel 3 étapes, 6x10x16x, interrupteur à pied 2 fonctions, pour ophtalmologie OPTO-EDU A41.1931 Microscope opératoire, double tête, manuel 3 étapes, 6x10x16x, interrupteur à pied 2 fonctions, pour ophtalmologie](https://site-1306369054.file.myqcloud.com/2469193113797632/pH4RQSSyG8.jpg?imageMogr2/format/webp/auto-orient)
OPTO-EDU A41.1931 Microscope opératoire, double tête, manuel 3 étapes, 6x10x16x, interrupteur à pied 2 fonctions, pour ophtalmologie
![The development of the electron microscope | American Association for the Advancement of Science (AAAS) The development of the electron microscope | American Association for the Advancement of Science (AAAS)](https://www.aaas.org/sites/default/files/s3fs-public/blog_media/ernst_ruska_electron_microscope.jpg)
The development of the electron microscope | American Association for the Advancement of Science (AAAS)
![ZEISS Microscopy on X: "1931: Ernst Ruska builds the first transmission electron microscope with resolution higher than a light microscope (~12,000x). (2/7) Image: Courtesy of Archiv der Max-Planck-Gesellschaft, Berlin-Dahlem https://t.co/9x4FnCcrDC" / X ZEISS Microscopy on X: "1931: Ernst Ruska builds the first transmission electron microscope with resolution higher than a light microscope (~12,000x). (2/7) Image: Courtesy of Archiv der Max-Planck-Gesellschaft, Berlin-Dahlem https://t.co/9x4FnCcrDC" / X](https://pbs.twimg.com/media/EiB_7PGWkAUvDcB.jpg:large)
ZEISS Microscopy on X: "1931: Ernst Ruska builds the first transmission electron microscope with resolution higher than a light microscope (~12,000x). (2/7) Image: Courtesy of Archiv der Max-Planck-Gesellschaft, Berlin-Dahlem https://t.co/9x4FnCcrDC" / X
![OPTO-EDU A41.1931 Microscope opératoire, double tête, manuel 3 étapes, 6x10x16x, interrupteur à pied 2 fonctions, pour ophtalmologie OPTO-EDU A41.1931 Microscope opératoire, double tête, manuel 3 étapes, 6x10x16x, interrupteur à pied 2 fonctions, pour ophtalmologie](https://site-1306369054.file.myqcloud.com/2469193113797632/527NMHSA7F.jpg?imageMogr2/format/webp/auto-orient)