Johns Hopkins Insulating Brick Tests, 1926
Report sent to Richard Williams of Diatom Insulation Co.
name: label: Collection Creator
content: Bartley Crucible and Refractories Co.
setName: label: See more items in
content: Bartley Crucible and Refractories Co. Records
label: See more items in
content: Bartley Crucible and Refractories Co. Records / Series 3: Pottery and Related Industries Materials
container: label: Container
content: Box 3, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials