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Creation Date

1920

Description

Pulfrich refractometer, accession no. 32; circa 1920

The instrument measures the refractive index of a sample - a measure of the deflection of light as it passes through the sample. It was used in the laboratories of Phoebus Levene, Walter Jacobs, and Lyman Craig.

Keywords

pulfrich refractometer, Phoebus Levene, Walter Jacobs, Lyman Craig

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