The Bakerian Lecture. On the photographic method of mapping the least refrangible end of the solar spectrum. Extract from: Philosophical Transactions of the Royal Society of London. For the year MDCCCLXXX, Vol. 171.

London:: Harrison and Sons, 1881., 1881. 296 x 229 mm. 4to. Pages 653-667. 1 fig.; LACKS 3 PLATES. Dis-bound. Abney was one of the first to utilize photographic techniques in the study of spectroscopy. DSB, I, pp. 21-22. (Inventory #: S4103)