The formation of drops, their variation with density and chemical composition of the liquid forming them, and their variation with temperature and frequency, have been the subject of investigation by several chemists and physicists, yet investigators are by no means at one as to the definition of a drop or the cause of its parting from the flowing liquid.
page 437 note * “On Drops,” Proc. Roy, Soc., vol. xiii.
page 438 note * Trans. Roy. Soc. Edin., vol. xxiii. 697.
page 439 note * “On the Microrheomoter,” Trans. Roy. Soc.