320/3/9   Factory expansion: Building "P," south section, 1951.
name: label: Collection Donor
content: Nickse, Hugo
label: Collection Donor
content: Johnson, Hanford
label: Collection Creator
content: Comstock, Cheney and Co.
label: Collection Creator
content: Pratt, Read and Company
label: Collection Donor
content: Steinway, Henry Ziegler
setName: label: See more items in
content: Pratt, Read Corporation Records
label: See more items in
content: Pratt, Read Corporation Records / Series 3: Pratt, Read and Company, Pratt, Read and Company, Inc., and Pratt-Read Corporation / 3.12: Photoprints / Ivoryton, Ct., Factory Site
container: label: Container
content: Box 61, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials