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Creation Date
1920
Description
Pulfrich refractometer, accession no.32; circa 1920
Photo by Lubosh Stepanek
Keywords
pulfrich refractometer, Phoebus Levene, Walter Jacobs, Lyman Craig
1920
Pulfrich refractometer, accession no.32; circa 1920
Photo by Lubosh Stepanek
pulfrich refractometer, Phoebus Levene, Walter Jacobs, Lyman Craig