Manhole Covers Site
There are 3516 manhole covers that belong to category Unknown: Show on map Thumbnails mode
1976 Salford - Round lid made by Thomas Dudley
1977 Warsaw - a cover with a background consisting of striped squares
1978 Copenhagen - a lid with circles in the center from which rays come out
1979 Copenhagen - A cover with a network of circles (2)
1980 Warsaw - Concrete cover with a metal frame, crossed by metal strips and a flower in the center
1981 Copenhagen - a lid with a star in the center and circles of squares around it
1982 Manchester - BRUNEL - diagonal
1983 Warsaw - round cover with squares (14)
1984 Warsaw - a BRIO cover
1985 Copenhagen - Lid manufactured by Niemisen Valimo
1986 Drammen - cover and on it major sites in the city (2)
1987 Warsaw - lid made by a Turkish factory
1988 Copenhagen - a lid with a star in the center and circles of squares around it (2)
1989 Warsaw - Wilanów Palace Museum
1990 Copenhagen - A cover with a network of circles (3)
1991 Warsaw - a cover that resembles a car steering wheel
1992 Manchester - Old lid made by Baxendales & Co with rhombus background and one handle
1993 Copenhagen - A cover with a network of circles (4)
1994 Manchester - background consisting of the letters H tilted
1995 St. John’s, NL - ancon cover
1996 Stockholm - Lid manufactured by Pipelife International
1997 Manchester - concrete cover with short diagonal grooves
1998 Pisa - Quadro 40
1999 Florence - small square lid
2000 Florence - ISPEZIONE General Cover
3 Crescent, Salford M5 4PF, UK
Agrykoli 1, 00-460 Warszawa, Poland
Admiralkaj, Toldbodgade, 1253 København, Denmark
Nyhavn 1F, 1051 København, Denmark
Piękna 22a, 05-075 Warszawa, Poland
Sankt Annæ Pl. 4, 1250 København, Denmark
Aquatics Centre, Manchester M13 9SS, UK
Wąwozowa 36, 02-796 Warszawa, Poland
Kadetów 44, 03-987 Warszawa, Poland
Sankt Annæ Pl. 6, 1250 København, Denmark
Øvre Torggate, 3017 Drammen, Norway
aleja Dzieci Polskich 7, 04-730 Warszawa, Poland
Sankt Annæ Pl. 20, 1250 København, Denmark
Stanisława Kostki Potockiego 14, 02-958 Warszawa, Poland
Nørre Farimagsgade 64, 1364 København K, Denmark
Elektoralna 8/10, 00-139 Warszawa, Poland
80 Oxford St, Manchester M1 5NH, UK
Nørregade 80, 1358 København, Denmark
70 Oxford Rd, Manchester M1 7EF, UK
37 Anderson Ave, St. John’s, NL A1B 3E4, Canada
Sveavägen 42, 111 34 Stockholm, Sweden
70 Oxford Rd, Manchester M1 7EF, UK
Via dell’Aeroporto, 48, 56100 Pisa PI, Italy
Piazza Lorenzo Ghiberti, 45 R, 50122 Firenze FI, Italy
Piazza Lorenzo Ghiberti, 42 R, 50122 Firenze FI, Italy
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