"The Polyphase Slide Rule," William E. Breckenridge
name: label: Collection Creator
content: Halkett, James A. E. (physicist)
label: Collection Creator
content: Wesolowski, Sigmund A.
setName: label: See more items in
content: James A. E. Halkett Papers and Sigmund A. Wesolowski, M.D. Papers
label: See more items in
content: James A. E. Halkett Papers and Sigmund A. Wesolowski, M.D. Papers / Series 1: James A.E. Halkett Papers / 1.2: Career / 1.2.3: U.S. Navy
unitdate: label: Date
content: 1938
container: label: Container
content: Box 8, Folder 10
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials