Sentence:  "And will you now, sir, take off your <WSD>celluloid</WSD> collar and permit me to burn it in the candle? Thank you, sir. And will you allow me to smash your spectacles for you with my hammer? Thank you." 
Meaning of the word marked with <WSD> tags:  Any of a variety of thermoplastics created from nitrocellulose and camphor, once used as photographic film.