Photo album of drop model piano actions, 1939-1951.  Includes information on designer and patent number.
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 / Piano Actions
container: label: Container
content: Box 62, Folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials