...accidental, that the specific gravity of sulphur is 1,99, or almost exactly twice that of water." „1t is also remarkable", fährt er dann im Texte fort, „that alcohol burnt in an opeu vessel, or in a lamp with a metallic wick, gives but little of the yellow light; while if the...

...for a considerable time. For instance, in Brcwster's Journal for 1826, vol. vp 77, &c., I remarked that alcohol burnt in an open vessel, or in a lamp with a metallic wick, gives but little yellow monochromatic light, while if the wick he of cotton, it gives a considerable quantity, and that...

...'99, or almost exactly twice that of water." " It is also remarkable," he continues in the text, " that alcohol burnt in an open vessel, or in a lamp...while if the wick be of cotton it gives a considerable quantity, and that for an unlimited time. (I have found other instances of a change of colour in flames,...