The SciencesThe Chemical Technology of Drying Oils, Oil Boiling, and BleachingApril 1, 1893 — W. N. Hartley
The SciencesThe Chemical Technology of Drying Oils, Oil Boiling, and BleachingMarch 25, 1893 — W. N. Hartley
The SciencesMeasurements of the Wave Lengths of Rays of High Refrangibility in the Spectra of Elementary SubstancesMay 26, 1883 — W. N. Hartley and W. E. Adeney