 | Chemistry - 1861 - 410 pages
...Calcium Group of Metal*, by WILLIAM C'ROOKES. SINCE the announcement by Messrs. FW and A. Dupre'1 of the existence of a fourth member of the calcium group of metals, which they state they have detected by means of the spectrum, I have searched various private memoranda... | |
 | Geological Society of London - Electronic journals - 1861 - 754 pages
...4th Series. Vol. xxi. Nos. 137-139. January-March 1861. From Dr. W. Francis, FGS FW and A. Dupre.— The existence of a fourth Member of the Calcium Group of Metals, 80. D. Forbes. — Geology of Southern Peru and Bolivia, 154. TH Huxley. — Macrauchenia BoKriensis,... | |
 | Heinrich Kayser - Spectrum analysis - 1900 - 820 pages
...und die Spectren der chemischen Elemente. Abhandl. Berlin. Akademie 1861. p. 72. 3) FW and A. Dupre, On the existence of a fourth member of the calcium group of metals. Phil. Mag. (4) 21. p. 86— SS (1861). — W. Crookes, On the supposed new member of the calcium group... | |
 | Physics - 1861 - 612 pages
...experiment; and this he has kindly done with all the precision which might be expected from him. Me adds that the motion could not be due to the action...existence of a Fourth Member of the Calcium group of Melds. By FW and A. DUPREJ. DURING our recent examination of London waters by the beautiful method... | |
| |
On the Existence of a Fourth Member of the Calcium Group of Metals', Phil. Mag. 21, 86-8 (1861), reprinted Chem. 