Photographic pyrometer which attenuates light intensity from radiating source by variable density filter
A variable exposure photographic pyrometer.
1964-01-01
Conference paper
No indication
English
A Variable Exposure Photographic Pyrometer
NTRS | 1964
|A Variable Exposure Photographic Pyrometer
NTIS | 1964
|A variable exposure photographic pyrometer.
NTRS | 1965
|