130 
On Water and A it . 
[February, 
more bands, as shown in Fig. 15.] We will now make the 
shadow of the drops as large as possible by bringing the jet 
as closely as we can to our lamp. # 
I want now to illuminate that jet by means of our 
rotating slits. [The zinc screen mentioned in the former 
experiments was again put into aCtion for the purpose of 
breaking the beam of light into flashes. The sprayed or 
unsteady portion of the falling jet was seen to consist of 
globules.] Now you see the drops very distinctly. Those 
who look at the drops themselves will see a greater amount 
I have introduced these subjects to your attention in order 
to show you how beautiful are the commonest objects that can 
engage your attention when they are subjected to scientific 
examination. We shall pursue our work in the next 
leCture. 
