...fortresses defined in Class A. by the Earthworks' Committee for the yictoria County Histories, viz., " Fortresses partly inaccessible by reason of precipices,...cliffs, or water, additionally defended by artificial works, usually known as promontory fortresses," there are only two examples in Lancashire, and one...

...It is proposed that defensive works be classified, so far as may be, under the following heads : — A. Fortresses partly inaccessible, by reason of precipices,...additionally defended by artificial banks or walls. B. Fortresses on hill-tops with artificial defences, following the natural line of the hill ; Or, though...

...It is proposed that defensive works be classified, so far as may be, under the following heads : — A. Fortresses partly inaccessible, by reason of precipices,...additionally defended by artificial banks or walls. B. Fortresses on hill-tops with artificial defences, following the natural line of the hill ; Or, though...

...Enclosures, in their published classification of these hill-strongholds, adopt two classes, namely : — A. — Fortresses partly inaccessible by reason of...precipices, cliffs, or water, additionally defended by banks or walls. B. — Fortresses on hilltops with artificial defences, following the line of the hill....

...arranged in the order of the six-inch sheets of the Ordnance Survey, to which references are given. tA) FORTRESSES, partly inaccessible by reason of precipices,...cliffs, or water, additionally defended by artificial works, and usually known as promontory fortresses. This class is illustrated on pp. 4 and 5 of the...