![The first electron microscope being carefully checked by Ernst Ruska... | Download Scientific Diagram The first electron microscope being carefully checked by Ernst Ruska... | Download Scientific Diagram](https://www.researchgate.net/publication/344163219/figure/fig1/AS:933438785855488@1599560557146/The-first-electron-microscope-being-carefully-checked-by-Ernst-Ruska-right-as-Max.png)
The first electron microscope being carefully checked by Ernst Ruska... | Download Scientific Diagram
![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
RCA Model EMU electron microscope in the Aeronautical Materials Laboratory - Science History Institute Digital Collections
![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.
![Caméra sur microscope de M. Comandon dans son laboratoire à Boulogne-sur-Seine (vers 1931) | CNRS Images Caméra sur microscope de M. Comandon dans son laboratoire à Boulogne-sur-Seine (vers 1931) | CNRS Images](https://images.cnrs.fr/system/files/styles/full_image_mobile_watermark/private/media/images/1931/01/CNRS_19000001_1011_1372.jpg?itok=pvCMxVZ-)
Caméra sur microscope de M. Comandon dans son laboratoire à Boulogne-sur-Seine (vers 1931) | CNRS Images
![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)