cyanometer meaning in Hindi

Humboldt was also an eager user of the cyanometer on his voyages and explorations in South America.
Obsessed by the measurement of meteorological phenomena, Saussure invented and improved many kinds of apparatus, including the magnetometer, the cyanometer for estimating the blueness of the sky, the diaphanometer for judging the clarity of the atmosphere, the anemometer and the mountain eudiometer.
De Saussure is credited with inventing the cyanometer in 1789 . De Saussure's cyanometer had 53 sections, ranging from white to varying shades of blue ( dyed with Prussian blue ) and then to black, arranged in a circle; he used the device to measure the color of the sky at Geneva, Chamonix and Mont Blanc.
De Saussure is credited with inventing the cyanometer in 1789 . De Saussure's cyanometer had 53 sections, ranging from white to varying shades of blue ( dyed with Prussian blue ) and then to black, arranged in a circle; he used the device to measure the color of the sky at Geneva, Chamonix and Mont Blanc.