Servi series, 1961-74 Achille and Pier Giacomo Castiglioni Steel, plastic, various dimensions Manufactured by Zanotta Lent by M2L Collection   The English term "dumbwaiter" translates into the Italian "servo muto." The first two elements of the Servi family were designed by both Castiglioni brothers in 1961: an ashtray and an umbrella stand for the opening of a beerhouse also designed by Castiglioni. The sleek family of "waiters" expanded over time to cover disparate functions.