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Frog's-leg galvanoscope. The frog galvanoscope was a sensitive electrical instrument used to detect voltage [1] in the late 18th and 19th centuries. It consists of a skinned frog's leg with electrical connections to a nerve. The instrument was invented by Luigi Galvani and improved by Carlo Matteucci.
Because Valli found himself on the wrong side in this dispute, and refused to change his opinion despite the evidence, his work has become a bit of a backwater and his frog battery is little known and poorly documented. [6] Aldini's 1803 ox-head battery. Leopoldo Nobili built a frog battery in 1818 out of complete frog legs which he called a ...
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An early D'Arsonval galvanometer showing magnet and rotating coil. A galvanometer is an electromechanical measuring instrument for electric current.Early galvanometers were uncalibrated, but improved versions, called ammeters, were calibrated and could measure the flow of current more precisely.
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Frog's leg may refer to: Frog legs, delicacies of French and Cantonese cuisine. Frog's Leg Gold Mine, a gold mine in Western Australia. This page was last edited on ...
Two basic types exist. In the case of the sukashi-kaerumata (透蟇股), the space above and between the frog legs is either empty or carved. In the case of the ita-kaerumata (板蟇股), the space between the legs has completely disappeared, leaving behind a solid board with an external frog-leg profile. [5]