Subject Source: Art & Architecture ThesaurusScope Note: Opaque photographs, usually positive (i.e., reproducing appearances without tonal reversal, otherwise use "negative prints"), usually on paper, and generally, but not always, printed from a negative.
Found in 1 Collection or Record:
Collection — Multiple Containers
Identifier: MSA 138
Scope and Contents American Society of Mechanical Engineers and Purdue memorabilia belonging to Melvin Helmich.
Dates: circa 1921 - 2006; Other: Date acquired: 02/02/2007