Definitionn. measuring instrument for measuring the luminous intensity of a source by comparing it
Last update: September 12, 2015
0
The instrument used at Harvard was a " meridian photometer," constructed on the principle of polarization; while the " method of extinctions," by means of a wedge of neutral-tinted glass, served for the Oxford determinations. [Please select]
0
Blair and Blossom (1948:5) also concluded by the use of an Ives tint photometer that _B. [Please select]
Do you have a better example in your mind? Please submit your sentence!