Photographic pyrometer which attenuates light intensity from radiating source by variable density filter
A variable exposure photographic pyrometer.
01.01.1964
Aufsatz (Konferenz)
Keine Angabe
Englisch
A Variable Exposure Photographic Pyrometer
NTRS | 1964
|A variable exposure photographic pyrometer.
NTRS | 1965
|A Variable Exposure Photographic Pyrometer
NTIS | 1964
|