FAQs About the word photoheliometer

фотогеліометр

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 => Фотогеліограф, photogravure => Фотогравюра, photography => Фотографія, photographone => Фотографон, photographometer => Фотометр,