In 1827, John Marlott, a senior superintendent of the Thames Police Department and a veteran who had participated in the Battle of Waterloo, stood on the riverbank after a capture operation, and a sharp whistle caught his attention - a small object floating on the water surface. After Marlott approached, she found that
In 1827, John Marlott, a senior superintendent of the Thames Police Department and a veteran who had participated in the Battle of Waterloo, stood on the riverbank after a capture operation, and a sharp whistle caught his attention - a small object floating on the water surface. After Marlott approached, she found that