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  1. Thalofide Cell. Bull.1 (1920) Case Research Laboratory, Auburn, N. Y.U. S. Patents1, 301 227 and U. S. Patents1 316 350.Bureau of Standards Scientific Paper No. 380. Spectrosphotoelectric Sensitivity of Thalofide.J. C. McLennan and W. W. Shaver, Proc. Roy. Soc.,  100, pp. 200–217, Nov.1, 1921.
    [Crossref]
  2. Scientific Papers, Bureau of Standards, No. 319–398 and references listed there.
  3. Scientific Paper, Bureau of Standards, No. 319 and references listed there.
  4. Leeds and Northrup High Sensitivity Galvanometer Resistance 425 ohms. Sensitivity 14 740 megehms. Scale distance = 1 meter.
  5. Physical Review,  34, p. 370; 1912.
  6. The Photographic Rendering of Tone Values. By L. A. JonesJour. Frank. Inst., April, 1920; p. 469.
    [Crossref]

1920 (1)

The Photographic Rendering of Tone Values. By L. A. JonesJour. Frank. Inst., April, 1920; p. 469.
[Crossref]

1912 (1)

Physical Review,  34, p. 370; 1912.

Jones, L. A.

The Photographic Rendering of Tone Values. By L. A. JonesJour. Frank. Inst., April, 1920; p. 469.
[Crossref]

Jour. Frank. Inst. (1)

The Photographic Rendering of Tone Values. By L. A. JonesJour. Frank. Inst., April, 1920; p. 469.
[Crossref]

Physical Review (1)

Physical Review,  34, p. 370; 1912.

Other (4)

Thalofide Cell. Bull.1 (1920) Case Research Laboratory, Auburn, N. Y.U. S. Patents1, 301 227 and U. S. Patents1 316 350.Bureau of Standards Scientific Paper No. 380. Spectrosphotoelectric Sensitivity of Thalofide.J. C. McLennan and W. W. Shaver, Proc. Roy. Soc.,  100, pp. 200–217, Nov.1, 1921.
[Crossref]

Scientific Papers, Bureau of Standards, No. 319–398 and references listed there.

Scientific Paper, Bureau of Standards, No. 319 and references listed there.

Leeds and Northrup High Sensitivity Galvanometer Resistance 425 ohms. Sensitivity 14 740 megehms. Scale distance = 1 meter.

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Figures (7)

Fig. 1
Fig. 1

Thalofide cell.

Fig. 2
Fig. 2

Diagram of electrical circuits.

Fig. 3
Fig. 3

Relation between “dark current” and voltage across cell.

Fig. 4
Fig. 4

Variation of sensitivity with impressed voltage for two values of basic illumination.

Fig. 5
Fig. 5

Relation between sensitivity and basic illumination for the three values of impressed voltage.

Fig. 6
Fig. 6

Characteristic curve of a one grain layer emulsion with density plotted as a function of log exposure.

Fig. 7
Fig. 7

Characteristic curve of a one grain layer emulsion with density plotted as a function of exposure.

Tables (1)

Tables Icon

Table 1 Density Measurements on Strip No. 6