FAQs About the word photoheliometer

φωτοηλιακό μέτρο

A double-lens instrument for measuring slight variations of the sun's diameter by photography, utilizing the common chord of two overlapping images.

No synonyms found.

No antonyms found.

photoheliograph => Φωτοηλιογράφος, photogravure => Φωτοχάραξη, photography => Φωτογραφία, photographone => Φωτογραφώνιο, photographometer => Φωτόμετρο,