In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
GALVANOSCOPE
Etymology
Noun
galvanoscope (plural galvanoscopes)
A device used to detect electric currents, particularly one using the deflection of a magnetic needle.
Source: Wiktionary
Gal*van`o*scope, n. Etym: [Galvanic + -scope: cf. F. galvanoscope.] (Elec.)
Definition: An instrument or apparatus for detecting the presence of electrical currents, especially such as are of feeble intensity.
Source: Webster’s Unabridged Dictionary 1913 Edition
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