This directory of Princeton College lists E. H. McCleery from Milton, Northumberland County, PA as an ex-member of the class of 1888 (a former student, but not a graduate). The abbreviation "M" for Medicine is listed next to his name. "E" for Engineering is an available abbreviation listed in the key, but since this abbreviation is not associated with McCleery, this may indicate that he changed his course of study from engineering to medicine during his time at Princeton. It may also simply suggest that he went on to study medicine after Princeton, but I believe that to be less likely.
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