The Roman Map of Britain Ptolemy's Geography
Geography II 3.14 Adjacent islands MAP
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Islands lie near that of Alvion: near Orcas promontory, |
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Scetis island |
32°40' | 60°45' |
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Dumna island |
30° | 61°20' |
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above which are the Orcades islands, about thirty in number, of which |
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the middle point is |
30° | 61°40' |
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and yet above them is Thule island of which the western point is |
29° | 63° |
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the eastern point |
31°40' | 63° |
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the northern point |
30°20' | 63°15' |
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the southern point |
30°20' | 62°40' |
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the middle |
30°20' | 63° |
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Near the Trinoantes are these two islands |
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Toliatis island |
23° | 54°20' |
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Counnus island |
24° | 54°30' |
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Below the Great Harbor is the island Vectis, of which the mid-point is at |
19°20' | 52°20' |