7277889 Daniell\'s element, a historical galvanic cell consisting of a zinc and a copper half-cell, 1836 by Unknown Artist, (19th century); Private Collection; (add.info.: Daniell\'s element,Daniell\'s element, a historical galvanic cell consisting of a zinc and a copper half-cell, 1836, digitally restored reproduction of an original 19th-century model); 穢 Imagebroker.