|
Work Measurement Film, Unit 2.
Ralph Mosser Barnes
|
1950 |
Ralph Mosser Barnes |
36 min. |
|
|
Time Study Training Film.
Ralph Mosser Barnes
|
1950 |
Ralph Mosser Barnes |
22 min. |
|
|
Time Required For Five Different Methods Of Assembling Plates.
Ralph Mosser Barnes
|
1951 |
Ralph Mosser Barnes |
6 min |
|
|
Study Of Effects Of Practice.
Ralph Mosser Barnes
|
1951 |
Ralph Mosser Barnes |
10 min. |
|