Concave matrices
name: label: Collection Creator
content: Mergenthaler Linotype Co.
setName: label: See more items in
content: Mergenthaler Linotype Company Records
label: See more items in
content: Mergenthaler Linotype Company Records / Series 3: Typeface Materials / 3.4: Matrix Data for Typeface
unitdate: label: Date
content: 1953-1961
container: label: Container
content: Box 147, Folder 6
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials