‘ Siemens Technopower Sound & Silence Vacuum Cleaner is promoted as the quietest vacuum cleaner in its class in a series of three award-winning print ads, Chess World Championship, Opera and Wedding. Each ad has a cleaning lady vacuuming in a setting demanding silence, with the text, “Technopower sound & silence. Siemens: The future moving in.’
Source: Bosch und Siemens Hausgeräte at Scholz & Friends
