” surface tension of, . . . . [pg 21]_
” beetle, . . . . . . [pg 4]_
X
Xylidine 1-3-4, movements of globules of, . . [pg 66]_
(Pr 1266)
————
Butler & Tanner Frome and London
Footnotes
| [1] | Mono-brom-benzene is better than chloroform for this experiment, but is more costly. It may be coloured with indigo. Chloroform may be coloured with iodine. |
| [2] | Mr. C. T. R. Wilson has recently devised an apparatus for making visible the tracks of ionizing rays, by the condensation of water vapour round the freshly liberated ions. |