Leopoldo Nobili, born in 1784 in Trassilico (Toscana) and died 5 August 1835 in Florence, was an Italian physicist who invented a number of instruments critical to investigating thermodynamics and electrochemistry.
He worked with Macedonio Melloni on the thermomultiplier, a combination of thermopile and galvanometer, before being appointed professor of physics at the Regal Museum of Physics and Natural History in Florence where he worked with Vincenzo Antinori on electromagnetic induction.
He was also credited with the discovery of 'Nobili's Rings'. "When a dilute solution of copper acetate is placed on a bright silverplate and a strip of zinc is touched to the silver beneath the copper, a series of rings of copper are formed by electrolysis around the zinc."
- Greenslade, Thomas. "Instruments for Natural Philosophy — Astatic Galvanometer". Kenyon College. Retrieved 2010-12-19.
- Thomas O'Conor Sloane, The Standard Electrical Dictionary: A Popular Dictionary of Words and Terms, London 1898, p. 392
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