Now That's CoolACME Whistles has been in business since 1870 and is accountable for various necessary whistle "firsts." Its founder, Joseph Hudson, invented the first police whistle used by the London Metropolitan Police. Previous to that, the "Bobby on the beat" used a picket rattle. Hudson also invented the very first sports activities whistle, the unique ACME Thunderer. Before that, soccer (soccer, to...