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HER Number:	7906.20
Name:	COLONEL GEORGE BOSCAWENS BATTERY - Post Medieval postern

Summary

A sallyport or gateway consisting of a break in the mid-C18 wall around the southern half of the Garrison.

Grid Reference:	SV 8955 1019
Parish:	St Marys, St Marys, Isles of Scilly
Map:	Show location on Streetmap

Protected Status

Listed Building (I) 62521: OUTER WALLS AND GATEWAY
Scheduled Monument 15434: POST-MEDIEVAL BREASTWORK, CURTAIN WALL AND ASSOCIATED DEFENSIVE STRUCTURES ON THE PERIPHERY OF THE GARRISON, ST MARY'S

Other References/Statuses

OS No. (OS Quarter-sheet and OS No.): SV81SE SV81SE
Primary Record No. (1985-2009): 7906.20
SMR No. (OS Quarter-sheet and SMR No.): SV81SE 31

Monument Type(s):

POSTERN (18th Century - 1701 AD to 1800 AD)

Full description

A sallyport or gateway consisting of a break in the mid-C18 wall around the southern half of the Garrison (7906.18), one of two openings (7906.19) on the west side, is situated immediately north of Colonel George Boscawen's battery (7906.29). The site is a Listed Building, Grade I and is Scheduled (h1). A 1742 plan shows a different proposal for this section of the Garrison walls (b1). The sallyport is not marked on the 1746 and 1750 plans (b2, b3) but would have been built at least at the time of the latter, which also omits to show the earlier sallyports (7906.06 - 7906.08) on the Garrison neck (b8). The 1888 OS map shows the track joining the sallyport to the clifftop path outside (b5); the sallyport itself appears on the 1907 OS map (b6), the 1981 edition indicating its outside edge (b7). The 1978 OS fieldworker notes a 4.0m wide break in the Garrison wall at this point (h1). The monument is included in the Schedule.
(b8) - Parkes, C, 1994, Pers Comm, ,

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Site history:
1: 1978. NJA/OS
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<1> UNKNOWN, 1742, A PLAN OF HUGH FORT ALIAS THE STAR CASTLE (Unedited Source). SCO5544.

<2> UNKNOWN, 1746, A PLAN OF THE HUGH FORT (Unedited Source). SCO5552.

<3> Tovey, A, 1750, A Plan of the Peninsula and Fortifications on St Mary's (Bibliographic reference). SCO4950.

<4> Birch, JF, 1974, Plan of the Garrison on the Island of Saint Mary, Scilly (Bibliographic reference). SCO2851.

<5> Ordnance Survey, 1880s, 1st Edition 1:2500 Map (Cartographic materials). SCO4048.

<6> Ordnance Survey, 1900s, 2nd Edition 1:2500 Map (Cartographic materials). SCO4050.

<7> Ordnance Survey, 1970s, 1:10,000 OS Map (Cartographic materials). SCO4045.

Sources / Further Reading

[1]	SCO5544 - Unedited Source: UNKNOWN. 1742. A PLAN OF HUGH FORT ALIAS THE STAR CASTLE. AT FORTRESS HOUSE.
[2]	SCO5552 - Unedited Source: UNKNOWN. 1746. A PLAN OF THE HUGH FORT. COPY ADAMS, 1, 1810.
[3]	SCO4950 - Bibliographic reference: Tovey, A. 1750. A Plan of the Peninsula and Fortifications on St Mary's. At Star Castle.
[4]	SCO2851 - Bibliographic reference: Birch, JF. 1974. Plan of the Garrison on the Island of Saint Mary, Scilly. At Hugh House.
[5]	SCO4048 - Cartographic materials: Ordnance Survey. 1880s. 1st Edition 1:2500 Map.
[6]	SCO4050 - Cartographic materials: Ordnance Survey. 1900s. 2nd Edition 1:2500 Map.
[7]	SCO4045 - Cartographic materials: Ordnance Survey. 1970s. 1:10,000 OS Map.

Associated Finds: none recorded

Associated Events: none recorded

Related records

7906	Part of: THE GARRISON - Post Medieval curtain wall (Building)

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