The arrangement most suitable for the photometry and testing of incandescent lamps is a gallery or room large enough to be occupied by several workers, the walls being painted dead black.
The photometry of arc lamps presents particular difficulties, owing to the great difference in quality between the light radiated by the arc and that given by any of the ordinarily used light standards.
A photographic photometry of all the lucid stars, modelled on the visual photometry of 1884, is promised from the same copious source of novelties.
Photographic photometry has meanwhile risen to an importance if anything exceeding that of visual photometry.
Photographic photometry of the asteroids has revealed marked variations in their light, due perhaps to irregularities of figure.
He was the founder of double-star astronomy, and his researches on the light of the stars by the simple method of sequences were the inception of the vast fields of stellar photometry and variable stars.
Experimental photometry has been greatly developed since the pioneer work of Bouguer and Lambert and the subsequent introduction of the photometers of Ritchie, Rumford, Bunsen and Wheatstone, followed by Swan's in 1859, and O.
Colour photometry has also been notably developed, especially since the enunciation of the "Purkinje phenomenon" in 1825.
Abderrahman Sufi at improving the photometry of the stars?
Abderrahman Sufi improves thephotometry of the stars, ii.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "photometry" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: climatology; hydrostatics; kinetics; meteorology; optics; photometry; pneumatics
