1 янв 1937 г. - James Hillier and Albert Prebus assemble a revolutionary microscope

Описание:

He and Prebus were students when, in 1937, they assembled a model of a microscope that could magnify up to 7,000 times the size of an object – much greater than the 2,000 times magnification produced by optical microscopes used at that time. (Could't find picture of Albert Prebus.)

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