This ACME 171.5 whistle is made of brass and equipped with a manually tuned reed. Creates an explosive and very present sound signal. It is a small whistle, measuring 6 ”(150 mm).
ACME's first two products were both world pioneers. It became so popular nobody bought whistles, bought a Metropolitan or a Thunderer. These were the pioneers who launched a company that would always create something innovative in each of its 15 decades.
Products are at the heart of everything for ACME. A solid, stable core around which waves of innovation, ingenuity and change constantly break, reshaping that core for every generation.