Eudiometer truly pioneered by Count Alessandro Volta (1745–1827), an Italian physicist who is well known for his contributions to the electric battery and electricity. Aside from its laboratory function, the eudiometer is also known for its part in the "Volta pistol". Volta invented this instrument in 1777 for the purpose of testing the "goodness" of air, analyzing the flammability of gases, or to demonstrate the chemical effects of electricity. Volta's Pistol had a long glass tube that was closed at the top, like a eudiometer. Two electrodes were fed through the tube and produced a spark gap inside the tube. Volta's
Bust of Alessandro Peretti di Montalto Bust of Alessandro Peretti di Montalto The Bust of Alessandro Peretti di Montalto is a portrait sculpture by the Italian artist Gian Lorenzo Bernini. Executed in 1622 and 1623, the sculpture is currently housed in the Kunsthalle Hamburg, in Germany. Although possibly mentioned by one of Bernini's early biographers, the bust had been considered lost and therefore makes no appearance in Rudolf Wittkower's catalogue of Bernini’s sculptures of 1955. However, the bust was identified in the 1980s and is now considered an authentic work by Bernini. Bernini had already been commissioned by Cardinal Montalto to create the Neptune and Triton