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There are 3143 manhole covers that belong to category Unknown: Show on map Thumbnails mode
1551 Oshkosh - lid with circles containing trapezoids
1552 Vienna - PURATOR (5)
1553 Cambridge - lid made by Dent and Hellyer
1554 Vienna - cover with a background of rhombuses
1555 Cambridge - Cover in a shape close to the triangle (4)
1556 Cambridge - CWW - small lid (2)
1557 London - A square cover with a square background
1558 London - Quattro 700 model cover
1559 London - J Every Lewes - Cover with rhombus background
1560 Edinburgh - a cover with a background of horizontal and vertical lines
1561 Vienna - Cover with a background of octagons - ROMOLD (2)
1562 London - DENBIGH
1563 Cambridge - a small cover that resembles a car steering wheel
1564 London - cover with a background of rhombuses, and an arrow with the letter F
1565 Lubin - Małe Koszary
1566 Poznań - Lid with 4 lids that open with a push
1567 Poznań - lid with the city emblem in the center
1568 Malmö - Cover with the city emblem in the center
1569 Vienna - ROMOLD - modular with a background made up of right angles
1570 Vienna - a round concrete cover surrounded by a metal frame (2)
1571 Bled - a lid with the name of the city on it, made up of pebbles
1572 Varaždin - lid manufactured by Vulkan, Zagreb
1573 New York - Old lid made by John P. Weldon
1574 Vienna - cover with the letters VA - modular
1575 Stockton-on-Tees - Cover made by Clark Drain with one corner cut off
Exhibit Hangar B, Oshkosh, WI 54902, USA
Schauflergasse 4, 1010 Wien, Austria
38 Trinity Ln, Cambridge CB2, UK
Dorotheergasse 2-4, 1010 Wien, Austria
38 Trinity Ln, Cambridge CB2 1SU, UK
38 Trinity St, Cambridge CB2 1TB, UK
24 St Thomas St, London SE1 9RS, UK
190 Sutherland Ave, London W9 1RX, UK
194 Lauderdale Rd, London W9 1NQ, UK
34-35 Queensferry St, Edinburgh EH2 4QS, UK
Ballhauspl. 2, 1010 Wien, Austria
11 Fournier St, London E1 6QE, UK
1754 Blackmoor Head Yard, Cambridge CB2 1UF, UK
8A Lonsdale Rd, London NW6 6RD, UK
Generała Józefa Bema 7A, 59-300 Lubin, Poland
Stanisława Taczaka 12, 61-818 Poznań, Poland
Święty Marcin 33, 61-814 Poznań, Poland
Lilla torg 9, 211 34 Malmö, Sweden
Brandstätte 1, 1010 Wien, Austria
Rathausplatz/Burgtheater, 1010 Wien, Austria
Kidričeva cesta 10a, 4260 Bled, Slovenia
Ul. Dobriše Cesarića 17, 42000, Varaždin, Croatia
421 W 20th St, New York, NY 10011, USA
Canovagasse 1-5, 1010 Wien, Austria
57 George Stephenson Blvd, Stockton-on-Tees TS19 8JR, UK
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