Abstract

A simple spectrograph designed around a 16-mm movie camera is described. The spectrograph was built for the purpose of obtaining spectrograms from light sources showing transient phenomena, in particular such light sources as the new tpes of rocket and jet combustion engines. The study of the light emitted from an acetylene-oxygen flame as a function of time illustrates its usefulness.

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  1. For example, see B. L. Crawford and C. Huggett, Rev. Sci. Inst. 17, 213 (1946).
  2. The angular separation between the emergent C and F lines is 6°50′. The clear aperture of the 5-element prism is 20×20 mm.
  3. The notation employed is that given by W. Jevons in Report on Band-Spectra of Diatomic Molecules (The Cambridge University Press, Teddington, England, 1932) in which the single primes denote the upper state.

Crawford, B. L.

For example, see B. L. Crawford and C. Huggett, Rev. Sci. Inst. 17, 213 (1946).

Huggett, C.

For example, see B. L. Crawford and C. Huggett, Rev. Sci. Inst. 17, 213 (1946).

Jevons, W.

The notation employed is that given by W. Jevons in Report on Band-Spectra of Diatomic Molecules (The Cambridge University Press, Teddington, England, 1932) in which the single primes denote the upper state.

Other (3)

For example, see B. L. Crawford and C. Huggett, Rev. Sci. Inst. 17, 213 (1946).

The angular separation between the emergent C and F lines is 6°50′. The clear aperture of the 5-element prism is 20×20 mm.

The notation employed is that given by W. Jevons in Report on Band-Spectra of Diatomic Molecules (The Cambridge University Press, Teddington, England, 1932) in which the single primes denote the upper state.

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