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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 25, Iss. 9 — Sep. 1, 1935
  • pp: 305–310

A New Recording Spectrophotometer

ARTHUR C. HARDY  »View Author Affiliations

JOSA, Vol. 25, Issue 9, pp. 305-310 (1935)

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ARTHUR C. HARDY, "A New Recording Spectrophotometer," J. Opt. Soc. Am. 25, 305-310 (1935)

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  1. Hardy, J.O.S.A. and R.S.I. 18, 96 (1929).
  2. Manufactured at the Schenectady plant of the General Electric Company.
  3. This source has recently been replaced by a monoplane filament projection lamp operated directly froni the 110-volt d.c. power supply.
  4. This is essentially the same mode of operation that was described in the previous communication.
  5. This optical system may also be used to measure the rotation of the plane of polarization, as by a sugar solution. In this case the sample is inserted between N1 and W.
  6. R. D. Nutting, J.O.S.A. 25, 211 (1935).
  7. As this paper is submitted for publication, the integrator has been constructed but has not been attached to the spectrophotometer because of a few changes that must be made in the mechanical system of the spectrophotometer.

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