Design of photometer is based on stabilized power supply, bus headlamp bulb, selenium photocell and galvanometer; instrument measures optical densities from 0.1 to 1.4 with accuracy better than 0.5%.
Simple photometer for measuring optical density of integrating Weissenberg reflections
J Sci Instruments
Journal of Scientific Instruments ; 40 , n 10 ; p 494-496
1963
3 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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