The practice of absorption spectrophotometry with Hilger instruments
Subtitle: a guide to the technique of absorption measurement in the visible, ultra-violet, and infra-red regions of the spectrum
By: By F. Twyman ... with the collaboration of the staff and advisers of Adam Hilger, ltd.
Contributors: Adam Hilger Ltd.
Publisher: A. Hilger, ltd
Published: 1932
Place of publication: London
Language: eng
Number of pages: 80
Subjects: Absorption spectra.; Spectrophotometer.
Notes: "First published January 1932."

"The author is indebted to the publishers of Chemistry and industry ̓for permitting him to embody, with slight revision, the substance ofarticles by him on Absorption photometry and some of its applications to chemistry,̓ published in that journal, vol. XLIX. nos. 26, 27, 28, 1930."

"References": p. 61-65.