“I bought a wooden whistle, but it wouldn’t whistle” is part of an old children’s song that goes on to joke about buying a metal whistle. But a modern metal whistle used by a policeman looks very ...

“I bought a wooden whistle, but it wouldn’t whistle” is part of an old children’s song that goes on to joke about buying a metal whistle. But a modern metal whistle used by a policeman ...

It’s the whistle, and in a little gray cinderblock factory on the northern cusp of Columbus, more than a million metal whistles are manufactured annually. American Whistle Corp., as it claims ...