Box 23
Container
Contains 68 Results:
Development of a Directly Indicating Frequency Water, 1939-11-17
File — Box: 23, Folder: Arch 1/1 Translation
Dates:
1939-11-17
Development of a Directly Indicating Frequency Water, 1939-11-17
File — Box: 23, Folder: Arch 1/1
Dates:
1939-11-17
Development and Construction of a directly Indicating Frequency Meter with Great Accuracy for Frequencies from 20 through 300 Cycles, 1940-03-15
File — Box: 23, Folder: Arch 1/2 Translation
Dates:
1940-03-15
Development and Construction of a directly Indicating Frequency Meter with Great Accuracy for Frequencies from 20 to 300 cycles, 1840-03-15
File — Box: 23, Folder: Arch 1/2
Dates:
1840-03-15