Licence: Public Domain Mark
Credit: Index of spectra / by W. Marshall Watts ; with a preface by H.E. Roscoe. Source: Wellcome Collection.
Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.
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![Potassium. BuNSEN and Kirchhoff. Phil. Mag. [4], xx. KiRCHHOFF. Ulitersiichungen uber das Sonnenspecfrum, ii., Rutherford. Silliman's Journal [2], xxxv., 407. Wolf and Diacon. Comptes Rendtis, Iv., 334. No. Huggins. Thal^n. Kirchhoff. Intensity. i8-o — — _ _ |770o| _ (7670J 27'8 6953 — 6940 6 28*2 6932 — 6920 6 — 6305 _ _ I — 6246 — — I 6120 4263 3 51- 8 5831 5829 — 10 — 5811 — — I 52- 8 5800 5802 — 10 — — 5782 — 10 — 5516 _ _ 3 — — 5353 — 8 — — 5338 — 8 — — 5322 — 8 91*6 4827 4827 — 6 — 4386 - _ 4 128-2 4309 4309 — 4 4 4184 _ _ 6 4044 — 5 Rhodium. Thalen. Determination des Longeurs d'Onde d Raies Metalliques. Lines too faint to measure.](https://iiif.wellcomecollection.org/image/b21914035_0079.jp2/full/800%2C/0/default.jpg)