Iron & Steel Elec. Eng., Youngstown April 1934
name: label: Collection Creator
content: Mawhinney, Matthew (engineer)
setName: label: See more items in
content: Matthew Mawhinney Industrial Furnace Collection
label: See more items in
content: Matthew Mawhinney Industrial Furnace Collection / Series 1: Correspondence
container: label: Container
content: Box 1, Folder 3
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials