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These and the outdoor sculpture are very different in form, yet they have a common inspiration: a 1671 drawing of sound waves amplified from a speaking trumpet.

A ladder, a dress dummy and a speaking trumpet are all that’s needed to bring the most unruly fantasy elements to life.

At one period, during the whole of several nights, the Count de Morseiul heard at intervals voices which seemed to be shouting through speaking trumpets.

Bob, up with your speaking trumpet. 2d Ruff.

Griscom slowed up, shouted to a switchman ahead, using his hand for a speaking trumpet, to set the rails for action.