Photographic pyrometer using variable density filter for light attenuation
A Variable Exposure Photographic Pyrometer
15.09.1964
Report
Keine Angabe
Englisch
A variable exposure photographic pyrometer.
NTRS | 1964
|A variable exposure photographic pyrometer.
NTRS | 1965
|A Variable Exposure Photographic Pyrometer
NTIS | 1964
|