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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
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
Chemistry: galvanism, a chemical reaction produces electrical current
Battery producing electricity by chemical means.