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References

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  1. A. Eagle, “New mounting for concave grating,” Astrophys. J. 31, 120 (1910).
    [CrossRef]
  2. T. R. Hogness, F. P. Zscheile, and A. E. Sidwell, “Photoelectric spectrophotometry. An apparatus for the ultra-violet and visible spectral regions: its construction, calibration, and application to chemical problems.” J. Phys. Chem. 41, 379–415 (1937).
    [CrossRef]

1937 (1)

T. R. Hogness, F. P. Zscheile, and A. E. Sidwell, “Photoelectric spectrophotometry. An apparatus for the ultra-violet and visible spectral regions: its construction, calibration, and application to chemical problems.” J. Phys. Chem. 41, 379–415 (1937).
[CrossRef]

1910 (1)

A. Eagle, “New mounting for concave grating,” Astrophys. J. 31, 120 (1910).
[CrossRef]

Eagle, A.

A. Eagle, “New mounting for concave grating,” Astrophys. J. 31, 120 (1910).
[CrossRef]

Hogness, T. R.

T. R. Hogness, F. P. Zscheile, and A. E. Sidwell, “Photoelectric spectrophotometry. An apparatus for the ultra-violet and visible spectral regions: its construction, calibration, and application to chemical problems.” J. Phys. Chem. 41, 379–415 (1937).
[CrossRef]

Sidwell, A. E.

T. R. Hogness, F. P. Zscheile, and A. E. Sidwell, “Photoelectric spectrophotometry. An apparatus for the ultra-violet and visible spectral regions: its construction, calibration, and application to chemical problems.” J. Phys. Chem. 41, 379–415 (1937).
[CrossRef]

Zscheile, F. P.

T. R. Hogness, F. P. Zscheile, and A. E. Sidwell, “Photoelectric spectrophotometry. An apparatus for the ultra-violet and visible spectral regions: its construction, calibration, and application to chemical problems.” J. Phys. Chem. 41, 379–415 (1937).
[CrossRef]

Astrophys. J. (1)

A. Eagle, “New mounting for concave grating,” Astrophys. J. 31, 120 (1910).
[CrossRef]

J. Phys. Chem. (1)

T. R. Hogness, F. P. Zscheile, and A. E. Sidwell, “Photoelectric spectrophotometry. An apparatus for the ultra-violet and visible spectral regions: its construction, calibration, and application to chemical problems.” J. Phys. Chem. 41, 379–415 (1937).
[CrossRef]

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Figures (6)

Fig. 1
Fig. 1

Schematic diagram of the monochromator.

Fig. 2
Fig. 2

Front view of Spectrophotelometer.

Fig. 3
Fig. 3

Schematic diagram of Spectrophotelometer and accessories for range 325 to 750 millimicrons: L2, incandescent source; T4, step-down transformer; T3, constant voltage transformer; R1 and R2, variable resistors; B, three-position rotating snap switch; T5, current transformer; Q, quartz lens; D, iris diaphragm; S1, entrance slit.

Fig. 4
Fig. 4

Transmission curve for a didymium filter.

Fig. 5
Fig. 5

Spectrogram demonstrating agreement between Spectrophotelometer setting and mercury arc lines.

Fig. 6
Fig. 6

Calibration curves showing linear response of photo-cell.

Tables (1)

Tables Icon

Table I Data obtained in the examination of the Spectrophotelometer for stray light.

Equations (2)

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T = I - f x I 0 - x ,
T - T T = x T ( f - T ) ( I 0 - x ) .