| Look at an Ordnance Survey Map Sheet. Valuable information
is contained around the map. However neither the layout, nor the items of
information will always be the same and they may vary with different editions
and different scales of maps. |
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| The arrangement described below and illustrated above, is that of the Landranger series of the OS 1:50,000 map. | ||
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a.
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is the title of the map sheet; It may be the name of an important town or towns or of an area. It indicates roughly the location covered by the sheet. | |
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b.
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is the scale and series of the map edition and is repeated here for ease of reference when the map is folded. | |
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c.
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is the sheet number and series of the edition, again repeated for case of reference when the map is folded. | |
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d.
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shows the series, sheet and edition of the map. For military purposes maps are referred to by series, sheet and edition. They are indented for by these references. | |
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e.
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at the bottom of the map is the scale. Scales of kilometres, statute miles and nautical miles are drawn. | |
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f.
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is a diagrammatic compass showing the rough deviation between magnetic, true and grid north, whereas……. | |
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g.
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at the top centre edge of the map, gives the magnetic variation from grid north and the annual change. Magnetic north is obtained by drawing a line from the arrow head to the ringed grid intersection in the centre bottom edge of the nap at (gg). | |
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h.
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is the legend showing the conventional signs | |
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i.
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explains how to take a grid reference, the grid letters and numbers used on this sheet. | |
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j.
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gives the date of revision. | |
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k.
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gives an index to the adjoining sheets. | |
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l.
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is an important section of the legend showing the interval between contours. Note that contours on this series of the map are at 10 metres vertical interval. | |
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m.
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height conversion chart. | |
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