Caption

Humboldt and Hallé repeating the experiments of Galvani and Volta

Credit line

Photo12/Liszt Collection

Reference

LZT10A00_183

License type

Rights managed

Available size

52,2Mb (7,3Mb) / 16,7in x 12,2in / 4999 x 3647 (300dpi)

Keywords

Hallé Humboldt experiments Galvani Volta frog rabits room experiment scientific experiment 19th century engraving science animal