on. The gates wereusually four ; but two at least of the larger forts—Chesters andBirdoswald—had six. In those which were on the actual lineof the Wall, one of these gates opened into the extra-muralspace, the only known exception being Chesters, with three.In their direction the stations fall into… … THE NORTHERN FRONTIERS 123 words, the direction of the one series is approximately east andwest ; that of the other, north and south. So far as we know,the former had ttieir fronts towards the east ; the latter, towardsthe north. Mile-Castles.—These differed from the stations in severalimportant…
Architecture, Roman · Architecture · Romans
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