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thermo-galvanometer
thermo-galvanometer n.
Brit. 
/ˌθəːmə(ʊ)ɡalvəˈnɒmᵻtə/
, /ˌθəːmə(ʊ)ɡalvəˈnɒmᵻtə/U.S. /ˌθərmoʊˌɡælvəˈnɑmədər/
a thermo-electric instrument for measuring small electric currents. [After German Thermogalvanometer (1827 or earlier).] /ˌθərmoʊˌɡælvəˈnɑmədər/ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > measurement of galvanic currents > apparatus for > type of
thermo-galvanometer1867
tangent galvanometer1873
ballistic galvanometer1875
tangent1905
string-galvanometer1909
tangent compass-
1867 Chambers's Encycl. IX. 401/2 Special galvanometers..in which the coil wire is short..and thick..are called thermo-galvanometers.
1902 T. O'C. Sloane Standard Electr. Dict. App. Thermo-Galvanometer, a galvanometer whose needle is suspended in a special form of thermo-electric couple..used to measure small amounts of radiant energy.
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