Box 13
Container
Contains 5 Results:
Hawthorne Test Room Operator No. 1 Productivity Chart
File — Box: 13, Folder: 1
Hawthorne Test Room Operator No. 3 Productivity Chart
File — Box: 13, Folder: 2
Hawthorne Test Room Operator No. 4 Productivity Chart
File — Box: 13, Folder: 3
Hawthorne Test Room Productivity Chart
File — Box: 13, Folder: 4
Dennison Manufacturing Illumination Study Charts, 1925
File — Box: 13, Folder: 5