photogoniometer
/ˌfəʊtəʊɡəʊnɪˈɒmɪtə/noun
1 Cartography. An instrument for measuring angles indirectly from photographs of an area.
2 Crystallography. An instrument for photographically recording the X-rays diffracted at known angles by a crystal or substance.
3 Physics. An instrument for measuring or recording the intensity of light emitted or scattered in different directions.
Origin
1920s; earliest use found in Geographical Journal. From photo- + goniometer.
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