A charming polariscope to demonstrate the Malus effect (Étienne Louis Malus 1775 – 1812) and off course to prove Brewster’s Law (David Brewster 1781 – 1868).

Made out of brass, partly lacquered. Placed on a mahogany base with drawer, bone feet. Four (half) graduated circles to read the degree of polarization.

Fine condition.

Total height 58 cm. Dimensions box 22,5 cm wide and 22 cm deep.

France, ca. 1860.