Electrolux goes global with first mobile vacuum cleaner – Electrolux Group
Classic vacuum ads that might make you miss the 20th century - CNET
Original 1920s vintage print advertisement in English consumer magazine advertising PEARL VACUUM CLEANER by Cracknell's of Birmingham Stock Photo - Alamy
Vacuum Cleaner Advertisements, Good Housekeeping, 1920s – Energy History
Original vintage advert from 1920s. Advertisement from 1923 advertising The Hoover upright vacuum cleaner, 20s Stock Photo - Alamy