Laboratory chapter in Introductory Physics Experiments, Physics 252, version 4.0 (Michigan State University). Version 4.0 and date 1/7/2002 are printed together; the day/month order is left uninterpreted. This is a version date, not an established first publication date. Michigan State University hosts the manual; no individual chapter byline or institutional authorship credit is inferred.
Official chapter PDF: web.pa.msu.edu/courses/2002summer/PHY252/Prism.pdf
Cited passages: pp. 1–3, objectives, minimum-deviation relation and symmetry; pp. 5–8, apparatus, alignment, vernier angle readout and mercury-line turning point; p. 9, supplied mercury wavelengths. This is a teaching procedure, not a report of newly measured data.