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Publication Account

Date 2002

Event ID 575317

Category Descriptive Accounts

Type Publication Account


HU24 3 CULSWICK ('Cullswick') HU/254448 (visited 4/6/63 and 1/7/87)

Unexcavated broch in Sandsting, with a massive and close-fitting outer wall on top of a steep, smooth knoll near cliffs and the sea (Ills. 4.6 - 4.14). This is one of the best preserved brochs in Shetland and stands on raised ground near cliffs on the south side of Gruting Voe and in the midst of rolling cultivable land; there are two freshwater lochs nearby; it has a good view out to sea (Ills. 4.6-14). Culswick was even better preserved in 1774 [3, 89]; Low's drawing (Ill. 4.143) shows three complete intra-mural galleries preserved on top of the buried basal storey as well as the scarcement ledge on the inside face. The latter is referred to as "a sort of scarcement, as if designed for flooring".

Allowing for at least 4 ft. of wall being buried at the entrance (Ills. 4.13 and 4.14) the wall seems to be preserved to a height of up to 12 ft. (Ill. 4.8) and evidently reached about 23 ft. in the 18th century [3]; it has a clear batter on the outer face (Ill. 4.8). The broch is interesting in that it is a rare example of skilful building with unsuitable stone [4]. Some vandalism had occurred to the east side in 1987.

Structural analysis: The wall stands to the height of its first floor gallery; the inside face of an upper gallery can be seen above the entrance. An upper mural gallery is also visible on the wallhead at about 3 o'clock, which may have been lintelled over in 1774 [3]. There is also a void or doorway in the inner wall face at about 10 o'clock. There are no signs now of the second tier. The structure is full of debris with no sign of a scarcement ledge but a lintelled chamber is apparent over the inner end of the main entrance (Ills. 4.10 and 4.11); the lintels of the passage are not exposed here (Ill. 4.10), so if the scarcement ledge is at the level of its floor this must be concealed under debris. Four corbel stones were also noted projecting from the inner wall face [2].

The outer end of the main entrance is clear (Ill. 4.8) but debris in the passage rises to within 2 ft. of the covering lintels (Ill. 4.9). There are door-checks about 7 ft. from the exterior (they can be seen from the front in Ill. 4.9) and the outer lintel is a massive triangular stone (Ill. 4.8). A round mural cell (Ill. 4.12) is visible to the right of the main entrance, which is 14 ft. 6 ins. long [2], and is probably a tall guard cell. It is said that it "was originally entered from the courtyard" [2] but no reasons are given for this conclusion; perhaps the top of the doorway to the cell was visible in 193?.

The outer wall completely surrounds the broch though it has largely disappeared on the north side; its thickness is 13 ft. 6 ins. and the distance from the broch varies from 11-25 ft. (Ill. 4.14).

Dimensions. External diameter c. 53 ft., wall thickness averages 14 ft., walls proportion is therefore about 53%.

Sources: 1. OS card HU 24 SE 4: 2. RCAHMS 1946 vol. 3, no. 1397, 101-2 and figs. 589, 590 and 619: 3. Low 1774, 88: 4. Fojut 1982a; 5. Hibbert 1822, 453.

E W MacKie 2002

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