demonstrator

The demonstrator brightened up and picked up one of the toys.

A demonstrator had the back off from one of the big Lambert-Howell sprayers.

A demonstrator of anatomy—and he could soothe a nerve as well as expose a muscle.

He went out with a demonstrator and the car made good the dealer's word.

Mr. Anderson was subsequently curator, and Mr. Wheeler demonstrator.

I had promised to be demonstrator any time they called for me.

When all was ready the Demonstrator took his knife, and pierced my bosom.

D'Annunzio has as yet no more pity than the demonstrator in a physiological amphitheatre.

But I did not want to be a demonstrator of tea and coffee all my life.

Of course these pleasantries are only carried on in the absence of the demonstrator.