Q-Z, (many on piezoelectric, quartz crystals, etc.) alphabetical by author; Dems., color Demonstrations: description of experiments colloids showing scientific principles; liquids, sound, optics, magnetism, electricity.  Alphabetical by subject and author
name: label: Collection Creator
content: Cady, Walter Guyton, 1874-1973 (physicist)
setName: label: See more items in
content: Walter Guyton Cady Papers
label: See more items in
content: Walter Guyton Cady Papers / Series 11: Card Index Files
unitdate: label: Date
content: 1940 1960
container: label: Container
content: Box 53, Folder Unknown
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials