Early XIX century: student karzer detention room - Vintage Nostalgia
Early XIX century: student karzer detention room

1829 – 1830, student life, karzer: detention room to incarcerate students as a punishment. Karzers existed both at German universities and at gymnasiums. The detention was mild and became a matter of honour to have been incarcerated at least once … Continued

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Battery – Daniell cell –  section and working asset - Vintage Nostalgia
Battery – Daniell cell – section and working asset

Middle ‘800 battery: an electric cell that produces electricity from a chemical reaction. The first battery was invented by Alessandro Volta in 1800 and then improved by Daniell in 1836

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Projection microscope - Vintage Nostalgia
Projection microscope

Illustration from middle ‘800: the “photoelectrique” in the original should not be misunderstood: in those times it meant just ‘based on electrically generated light’. The ‘real’ photoelectric effect was still below the horizon.

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Chemistry: galvanism, a chemical reaction produces electrical current - Vintage Nostalgia
Chemistry: galvanism, a chemical reaction produces electrical current

Battery producing electricity by chemical means.

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