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References

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  1. A Polarization Flicker Photometer. Ives. Phil. Mag.April1917, p. 360.
  2. Studies in the Photometry of Lights of Different Colors. Ives, Phil. Mag.1912, p. 149, 352, 744, 845, 853.
  3. A Theory of Intermittent Vision. Ives, J. O. S. A. & R. S. I., June, 1922, p. 343.
  4. This conception of the action of the flicker photometer as a producer of fluctuating reactions which differ in amplitude for the same intensity of stimulus according to the color and illumination level, is discussed at length in “The Theory of the Flicker Photometer” (Phil. Mag., November, 1914, p. 708).

1922 (1)

A Theory of Intermittent Vision. Ives, J. O. S. A. & R. S. I., June, 1922, p. 343.

1917 (1)

A Polarization Flicker Photometer. Ives. Phil. Mag.April1917, p. 360.

1914 (1)

This conception of the action of the flicker photometer as a producer of fluctuating reactions which differ in amplitude for the same intensity of stimulus according to the color and illumination level, is discussed at length in “The Theory of the Flicker Photometer” (Phil. Mag., November, 1914, p. 708).

1912 (1)

Studies in the Photometry of Lights of Different Colors. Ives, Phil. Mag.1912, p. 149, 352, 744, 845, 853.

Ives, J. O. S. A. & R. S. I. (1)

A Theory of Intermittent Vision. Ives, J. O. S. A. & R. S. I., June, 1922, p. 343.

Ives, Phil. Mag. (1)

Studies in the Photometry of Lights of Different Colors. Ives, Phil. Mag.1912, p. 149, 352, 744, 845, 853.

Ives. Phil. Mag. (1)

A Polarization Flicker Photometer. Ives. Phil. Mag.April1917, p. 360.

Phil. Mag. (1)

This conception of the action of the flicker photometer as a producer of fluctuating reactions which differ in amplitude for the same intensity of stimulus according to the color and illumination level, is discussed at length in “The Theory of the Flicker Photometer” (Phil. Mag., November, 1914, p. 708).

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Figures (6)

Fig. 1
Fig. 1

Critical speeds for disappearance of flicker for various relative amounts of alternated red and green light.

Fig. 2
Fig. 2

Critical frequency versus log illumination data for monochromatic radiations.

Fig. 3
Fig. 3

Critical frequencies for the disappearance of color flicker as compared with the mean critical frequencies for the alternated colors separately. Upper points, mean critical frequencies for red and green light. Lower points, critical frequencies for red and green alternated against each other.

Fig. 4
Fig. 4

Critical frequency log illumination data for red and green light replotted to chosen llumination scale.

Fig. 5
Fig. 5

The chart of the flicker photometer. Heavy line close to vertical axis shows, by reference to the diagram of relative proportions at the bottom, the setting made with the flicker photometer at the illumination corresponding to the critical frequency curve cut.

Fig. 6
Fig. 6

Experimental “slit-width” versus log illumination data for the flicker photometer.

Equations (6)

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ω = a log I + b
ω = a log I a + b
ω = 9.9 log I a + 39.1
ω = 11.05 log I a + 37.9
ω = 4.45 log I a + 24.9
ω = 7.25 log I + 22.5