speaking trumpet

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.

"Have you heard," he said, "during this last night or two, some people shouting, apparently through speaking trumpets, as if they wished to convey intelligence to one of us prisoners?"

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.