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ANTI TANK DITCH (NATURAL IMPROVED) * |
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| A natural ditch the depth and/or width of which has been increased so as to prevent the progress of a tank or armoured vehicle. |
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ANTI TANK WALL (ASSAULT TRAINING) * |
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| An anti tank wall constructed specifically to be used for training purposes. |
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ANTI TANK DITCH (ARTIFICIAL) * |
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| A man made ditch designed to obstruct the progress of a tank or armoured vehicle. ditches were often reveted with concrete or wood. |
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ANTI TANK GUN EMPLACEMENT * |
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| A defensive structure or site where an anti-tank gun is emplaced. |
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ANTI TANK GUNNERY RANGE * |
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| An area of ground on which anti tank guns can be placed for testing purposes and to practice firing at targets. |
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ANTI TANK VERTICAL RAIL * |
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| A road block formed by placing rails or girders in an upright position in sockets in the road surface, forming a moveable barrier. |
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ANTI TANK SCAFFOLDING * |
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| Scaffolding intended to impede the advance of enemy armoured divisions. Often found in association with "one way" anti tank ditches. |
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ANTI TANK TETRAHEDRON * |
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| Triangular concrete pyramids with 6 feet long sides and 5 feet high, intended to impede enemy movement in the event of invasion. Thought to be confined geogaphically to Southern Command. |
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ANTI TANK CYLINDER * |
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| Blocks of solid concrete, in the form of cylinders usually 2 feet across x 2 feet 6 inches or 3 feet high. Cylinders were mainly used in road blocks intended to impede enemy movement in the event of invasion. |
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ANTI TANK OBSTACLE * |
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| Obstacles like concrete cubes, cylinders or pimples erected in the defence of Britain. |
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ANTI TANK CALTROP * |
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| Blocks of concrete with four protruding arms so that, whichever way up the caltrop is placed, one arm will always point upward. Used in imitation of the iron caltrops thrown on the ground to impede cavalry. |
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ANTI TANK HAIRPIN * |
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| A road block formed by placing curved rails, "hairpins", in sockets in the road surface. |
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ANTI TANK COFFIN * |
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| Rectangular slabs of concrete with a sloping top usually with sides of 5 feet by 3 feet and 3 feet high which when placed in rows were intended to form a substantial barrier to enemy armoured divisions in the event of invasion. |
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ANTI TANK GIRDER * |
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| A metal girder, usually of iron or steel, embedded in the ground designed to obstruct the progress of hostile tanks or armoured vehicles. |
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ANTI TANK ISLAND * |
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| A designated area within a town or village with fixed defences such as pillboxes, anti tank ditches and gun emplacements, designed to threaten the flanks of an enemy force which had broken through a stop line. |
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ANTI TANK PIMPLE * |
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| Blocks of solid concrete,in the form of truncated pyramids usually 3 feet square x 2 feet high which could be placed in rows to impede enemy movement in the event of invasion. Pimples were recommended for use on soft ground. |
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GAS STORAGE TANK * |
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| Storage tank for coal gas and possibly other types of gas . |
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ANTI TANK BLOCK * |
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| A reinforced concrete block designed to obstruct the progress of a tank or armoured vehicle. Use more specific type where known. |
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ANTI TANK DITCH * |
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| Stop-line against invading tanks in form of a ditch during the defence of Britain. |
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ANTI TANK BUOY * |
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| Blocks of solid concrete, in the shape of a round bottomed cone usually 2 feet 6 inches across x 2 feet 9 inches high. Buoys were mainly used in road blocks intended to impede enemy movement in the event of invasion. |
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ANTI TANK CONE * |
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| Cones of solid concrete usually 3 feet 6 inches in diameter x 2 feet high which, when placed in rows or groups were intended to form a substantial barrier to enemy armoured divisions in the event of invasion. |
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ANTI TANK CUBE * |
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| Cubes of solid concrete, usually with sides of 3 feet 6 inches or 5 feet which when placed in rows were intended to form a substantial barrier to enemy armoured divisions in the event of invasion. |
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ANTI TANK WALL * |
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| A wall, usually of reinforced concrete, designed to obstruct the progress of a tank or armoured vehicle |
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SETTLING TANK * |
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| A large tank where particles suspended in water, or other liquids, are allowed to sink to the bottom forming a sediment. |
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STEEPING TANK * |
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| A large tank used for soaking alumina-bearing shale in water and chemicals, the initial stage in the alum-making process. |
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STORAGE TANK * |
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| Container for the storage of unspecified materials. |
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TANK FACTORY * |
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| A factory for the manufacture of military tanks. |
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TANK FURNACE * |
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| An enclosed furnace used for the continuous casting of plate glass. |
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TESTING TANK * |
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| A water-filled structure for experimental research. |
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DIVING TANK * |
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| A large tank used for training divers. |
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SEPTIC TANK * |
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| A watertight reservoir or tank that receives sewage, and by sedimentation and bacterial action effects a process of partial purification. |
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WATER TANK * |
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| A receptacle for the storage of water. |
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FISH TANK * |
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| A small brick structure attached to a house for keeping fish prior to cooking. |
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FUEL TANK * |
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| A large, usually metal, container used for the storage of liquid fuels. |
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TANK PARK * |
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| A site where tanks and armoured fighting vehicles can be stored. |
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TANK RAMP * |
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| An inclined plane built to allow tanks to be loaded and unloaded between rolling stock on the railway network and vehicular low loaders. |
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TANK TRAP * |
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| Reinforced concrete blocks, walls or ditches designed to obstruct the progress of a tank or armoured vehicle. |
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TAR TANK * |
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| A tank found on hop farms in which creosote was held, heated from below by a fire with a chimney. The ends of hop poles were dipped in the tar to prevent rotting in soil. |
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TANK * |
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| Armoured military vehicle with its own firepower, which operates on tracks for troop mobility over rough terrain. Some may be adapted, or purpose-built, to be amphibious, and may then be double-indexed as AMPHIBIOUS VEHICLE. |
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