Now don’t be frightened, Princess. Now to biz.

Ahem! are all things ready?

Chemists (very low).—

Aye! they is.

(Prof. ties rope from ice cream freezer to leg of Dummy—low rumbling and noises—fire and low music.)

No. 7.

Music. (Prof. sings.)

Prof.

Silence!! (Crash.) Silence! (Crash.)

Don’t let a sound be heard. (All groan.)