Westclox Big Ben Chime Alarm was introduced in 1931 in
a case designed by Henry Dreyfuss. This introductory ad is from Collier's magazine for October 10, 1931. Baby Ben style 3 was introduced
The Chime Alarm first rings with a gentle "ding, ding ding" and then rings rapidly if not shut off after about a minute. The advertising slogan was "First he whispers, then he shouts."