Milking machines. Walker Rotolactor milking system at New York World's Fair, 1939. Cows get on carousel to be milked.
name: label: Collection Creator
content: d'Arazien, Arthur
setName: label: See more items in
content: Arthur d'Arazien Industrial Photographs
label: See more items in
content: Arthur d'Arazien Industrial Photographs / Series 2: Photographs / 2.1: Color Phototransparencies
container: label: Container
content: Box 6, Folder 9
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials