SOME time ago, K. A. Fischer and G. Brandes 1 demonstrated that it is possible to obtain useful emission spectroscopic data with an infra-red double-beam spectrophotometer, if the sample placed in the ...
IN the past few years, several workers have shown 1–5 that infra-red spectra can be presented continuously on a cathode ray tube. The presentation of spectra in this way, in scan times as short as ...
Richard Scott Perkin (1906-1969) and Charles Elmer (1872-1954), one an investment banker and the other a court reporter, established the Perkin-Elmer Optical Company in 1937, incorporated the firm in ...
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