Electric Gallery

Battersea Power Station

Designed by Giles Gilbert Scott, building began in 1933. It was the first of a series of very large electric generators set up in order to nationalize the grid

© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10140664

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Pifco electric vibratory massager

Beauty that is yours sincerely: 1950s electric vibratory massager, claiming to help you keep slim and trim, promotes a healthy scalp, affords relief for tired feet and many muscular aches and pains. Date: 1951

© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10556407

1950s, 1951, 50s, Ad, Advert, Advertisement, Advertising, Beauty, Dressing, Electric, Health, Machine, Massage, Massager, Massages, Pifco, Products, Restores, Slim, Table, Toilet, Treatment, Trim, Underwear, Vanity, Vibrator, Vibratory, Woman, Women, Younger

Standard electrical circuit symbols

Standard electrical circuit symbols. Diagram of standard symbols used to represent electrical equipment in electrical circuit diagrams. The symbols are arranged in six rows of sets of three. From top, these rows show symbols for: conductors, power supplies, resistors, capacitors, diodes and transistors. These symbols have varied over time and from country to country, and so various national and international standards have been devised to ensure consistent use of standard symbols that can be recognised worldwide. These symbols conform to British Standard 3939 (BS 3939)

© SHEILA TERRY/SCIENCE PHOTO LIBRARY