The SciencesMeasurements of the Wave Lengths of Rays of High Refrangibility in the Spectra of Elementary SubstancesBy W. N. Hartley, W. E. Adeney on May 26, 1883AdvertisementABOUT THE AUTHOR(S)Recent Articles by W. N. HartleyThe Chemical Technology of Drying Oils, Oil Boiling, and BleachingThe Chemical Technology of Drying Oils, Oil Boiling, and BleachingOn Ice Making and Ice Machines