Clapper Post facts for kids
Clapper Post (German: Klapperpost) was an urban postal service, which existed in Vienna (since 1772), capital of Austria, and in other cities of that country. Its name refers to an instrument, clapper (type of a rattle), into which a mailman struck, notifying about his arrival. In Vienna, Clapper Post existed more than ten years.
Clapper mailman (engraving; late 18th century)
Photos of similar rattles are given that were used by English police in the 19th c.
Clapper Post Facts for Kids. Kiddle Encyclopedia.