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- Timeline of microscope technology (1673 bytes)
14: * [[1931]] - [[Ernst Ruska]] builds the first [[electron microscope]]. - Cell (biology) (28190 bytes)
250: *1931: [[Ernst Ruska]] builds first [[transmission electron microscope... - Electron microscope (5936 bytes)
5: ...ctron microscope was built in [[1931]] by [[Ernst Ruska]] and [[Max Knoll]] at the [[Berlin]] [[Technisch... - Cell (29541 bytes)
250: *1931: [[Ernst Ruska]] builds first [[transmission electron microscope...
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