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Description:
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As indicated in the previous booklet in this series,
the Oesper Apparatus Museum contains a large
selection of visual colorimeters, filter photometers
and spectrophotometers based on collections of
these instruments donated in 1990 by the late
Melvin Guy Mellon (figure 1) of Purdue University.
Though additional instruments have subsequently
been added, each of these collections has
been named in Mellon’s honor in recognition of
his initial gift. The M. G. Mellon colorimeter collection
was the subject of booklet No. 4 in this
series and his filter photometer collection the subject
of booklet No. 5. The present booklet (No. 6)
deals with his spectrophotometer collection. |
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