MPX5067981: Three-years-old Dawn Millican was among the many visitors who visited the Northern Optical Congress at Harrogate, Yorks, this week. Whilst there she decided to find out about this weird looking apparatus. It turned out to be an automatic sight testing unit. Costing between £600 and £700 this unit is made jointly by a Japanese and British firm and is named Eyco. Even twelve-month-old babies can be tested on this unit. May 1963 P018625 / Bridgeman Images

MPX5067883: Charlie Chaplin Competition outside the Crystal Palace in London. / Bridgeman Images

MPX5067940: Greenwood Poison Trial November 1920 / Bridgeman Images

MPX5067994: Glasses: Spectacles fashion 1953. November 1953 P018642 / Bridgeman Images

MPX5068077: Joan Capon, 21, on the left, didn't want to join the Bunny class. She works in the club's membership office and has turned down offers. "Working at night would put out my routine," she says. Thalia Vickers, in costume was persuaded to become a Bunny by her husband. May 1968 P018581 / Bridgeman Images

MPX5068084: Miss M. Simmonds pinning rose on man with suit. / Bridgeman Images

MPX5068102: Traffic Warden, Denise Taylor, looks at a parking meter in London. August 1973 P018265 / Bridgeman Images

MPX5068105: Male Stripper Mel biting a pint glass. / Bridgeman Images

MPX5067827: Children get in step with Garry Richardson in disco style / Bridgeman Images

MPX5067839: Veteran Hollywood dancing movie star Fred Astaire arrived at London's Heathrow Airport form Los Angeles. / Bridgeman Images

MPX5067860: Anniversary of Death. / Bridgeman Images

MPX5067872: Christine Keeler and Mandy Rice Davis - May 1987 / Bridgeman Images

MPX5067962: Antiquis Case-Christopher James Geraghty being escorted from Tottenham Court Road Police Station. / Bridgeman Images

MPX5067983: Mother Teresa of Calcutta visits Bishop Ullathorne School, Coventry, to be presented with cheques after many pupils took part in fund-raising events.13th September 1974. / Bridgeman Images

MPX5067986: Demonstrators of all ages parade in front of the new club of Roddy Roddy Llewellyn. The "square deal" placards refer to the club's location in Battersea Square. / Bridgeman Images

MPX5068019: Lizzie clears a path to a life in the sun. Sweeping the streets, as you might expect, poses rather special problems for a girl. People, for example, tend to stop and stare. And in a place like the Royal Borough of Kensington, old ladies say reprovingly: "I'm sure you could get a better job than that." With three A-levels behind her, Lizzie Heffernan has certainly not been restricted in her choice of jobs. But this happens to be the one she likes. Lizzie, 18, and Irish, say: "It suits me, I don't like working indoor - and it's slimming. July 1966 P018790 / Bridgeman Images

MPX5068025: Two girls rowing a boat in a London park as the sun comes out, May 1945. / Bridgeman Images

MPX5068028: Coventry city centre- Aerial / Bridgeman Images

MPX5068034: Rudolph Nureyev and the Royal Ballet seen during rehearsals for the new ballet "The Ropes of Time" / Bridgeman Images

MPX5068064: The Boys Brigade dosing a display of tent erection at Gateshead's Trinity Square precinct. / Bridgeman Images

MPX5068121: Cheers in the rain. Thousands jammed Trafalgar-square as the rain poured down October 1964 / Bridgeman Images

MPX5068132: Leonard Hector aged 9, demonstrating his father's invention to this schoolmates in the Ministry of Fuel's "Coal and it's Products" Exhibition at Othercliff Methodist Hall, Sheffield. / Bridgeman Images

MPX5068133: General Electiion 1964. Sir Alec Douglas Home tours Kent. Sir Alec addressing a meeting. / Bridgeman Images

MPX5068166: Election 1951: Aneurin Bevan leaving the Liverpool stadium after his speech, followed by Mr. Harold Wilson (with pipe). / Bridgeman Images

MPX5068213: Playboy Club Bunnies School. Woman sitting learning how to become a bunny girl during a class / Bridgeman Images

MPX5068211: John Peacock and Robert Johnsonstarted their trainging at the Kyo Residential Training centre for Juvenile Entrants to the mining Industry. may 1947 (photo) / Bridgeman Images

MPX5068249: Men working in a coal mine at the bottom of the garden as his wife hangs the washing out on the line. / Bridgeman Images

MPX5068267: Beveridge Brothers coal mine. / Bridgeman Images

MPX5068325: Model wearing a bikini. November 1974 P018050 / Bridgeman Images

MPX5068349: The pound's value reached a new low today. The values since December 1971 are shown here with 2p coins (and the odd 1p and / Bridgeman Images

MPX5068155: Votes arriving in packets and cardboard boxes at the Electoral Reform Society H.Q. in London brought from the miners in Northumberland by Mr Bill Crosby and Mr Bob Jackson. / Bridgeman Images

MPX5068179: Miners Demonstration from Speakers Corner in Hyde Park to Hobart House, The National Coal Boards Headquarters. September 1970 / Bridgeman Images

MPX5068182: Two miners load up a truck with pit props ready for the next day's work. / Bridgeman Images

MPX5068200: Batley Variety Club feature. A general view of the club, illuminated at night. / Bridgeman Images

MPX5068236: A man operating large piece of equipment at the top of a mine / Bridgeman Images

MPX5068248: Glasses: Spectacles: Sunglasses fashion. April 1968 / Bridgeman Images