Unit Wiring Boards for Tabulating Machines, Highly Trained Experts Prepared the Charts and Instructions for Wiring the Boards for Each Job, these Girls Did the Actual Wiring, No Small Job in Itself
Summary
Photographs Documenting the Sixteenth Decennial Census
Nothing Found.
Tags
unit
boards
machines
experts
charts
instructions
job
girls
actual
small
small job
census
tabulating machines
census maps
high resolution
sixteenth decennial census
experts prepared
maps
ultra high resolution
Date
1940 - 1941
Source
The U.S. National Archives
Link
Copyright info
No known copyright restrictions