Hand holding a square filter with color swatches against a clear blue sky
Cyanometer
Cyanometer

Cyanometer

A scientific instrument used to measure the blueness of the sky.

Sale price$3.50
In stock
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Cyanometer

Originally invented in 1789 by Swiss physicist and Alpine explorer, Horace-Benedict de Saussuire. The 53 gradations of blue ranging from white to black. Includes directions for use.

Brand

Stemcell Science Shop

Material

Paperboard

Size

5 x 3.75 inches

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