5/17/46 EHM Switches, Independent Variable Switch and Special Storage Counters (2 copies)
name: label: Collection Creator
content: Hopper, Grace Murray, 1906-1992
setName: label: See more items in
content: Grace Murray Hopper Collection
label: See more items in
content: Grace Murray Hopper Collection / Series 1: Technical Documents / Photographs of blueprint drawings, contain all of the circuits of Mark I:
container: label: Container
content: Box 1, Folder 7
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials