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HER Number:	33245.10
Name:	BOSIGRAN - Post Medieval boiler house, Post Medieval engine house

Summary

The ruins of the engine house obscured by willow and thorn scrub

Grid Reference:	SW 4299 3684
Parish:	Zennor, Penwith, Cornwall
Map:	Show location on Streetmap

Protected Status: None recorded

Other References/Statuses

Cornwall SURVEY NAME (temporary): NT 94490, CCRA 120-3
Primary Record No. (1985-2009): 33245.10

Monument Type(s):

BOILER HOUSE (Post Medieval - 1540 AD to 1900 AD)
ENGINE HOUSE (Post Medieval - 1540 AD to 1900 AD)

Full description

An engine house of the stamping mill at Bosigran is shown on the 1876 OS map. It was built by G Eustace of Hayle in 1872 for the 9-inch and 17-inch horizontal compound steam engine which operated a set of Husband's pneumatic two-headed stamps (b1). The 1st Ed OS 25" map of c1880 shows the engine house at the south end of a long boiler house with its stack on the west wall. The engine house has been demolished and a roughly square 1.5m deep pit is all that survives. Presumably this was to allow the engine, only three years old at the time of the mine's closure (b2), to be removed. The boiler house survives as a ruined structure circa 8.0m by 2.4m internally with walling in the long east and west walls surviving up to circa 2.2m high. The north gable wall reaches 4m. The chimney has fallen but a circular stump 1. 8m high and a 2.7m diameter at the base still survives 1m to the west of the boiler house (b6).

--------------------------------
Site history:
1: 1982. THACKRAY, D / CCRA, NT
2: 1986. HERRING, PC / CAU
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<1> Barton, DB, 1965, The Cornish Beam Engine, 223-224 (Bibliographic reference). SCO2788.

<2> Noall, C, 1982, St Ives Mining District, 107 (Bibliographic reference). SCO3994.

<3> Cornwall Archaeological Unit, Field Drawing (GRE), GRE 2129 (Cartographic materials). SCO5089.

<4> Cornwall Archaeological Unit, 198-, Drawing Archive, Hanging (GRH), GRH 68245 (Cartographic materials). SCO5088.

<5> CAU, 1984, Field Survey Context Card, 120-128 (Bibliographic reference). SCO5175.

<6> Herring, PC, 1987, Bosigran, Zennor, 49-52, 133 -134 & FIGS 31 & 32 (Bibliographic reference). SCO3569.

Sources / Further Reading

[1]	SCO2788 - Bibliographic reference: Barton, DB. 1965. The Cornish Beam Engine. 223-224.
[2]	SCO3994 - Bibliographic reference: Noall, C. 1982. St Ives Mining District. 107.
[3]	SCO5089 - Cartographic materials: Cornwall Archaeological Unit. Field Drawing (GRE). GRE 2129.
[4]	SCO5088 - Cartographic materials: Cornwall Archaeological Unit. 198-. Drawing Archive, Hanging (GRH). GRH 68245.
[5]	SCO5175 - Bibliographic reference: CAU. 1984. Field Survey Context Card. At CAU. 120-128.
[6]	SCO3569 - Bibliographic reference: Herring, PC. 1987. Bosigran, Zennor. Copy At CAU. 49-52, 133 -134 & FIGS 31 & 32.

Associated Finds: none recorded

Associated Events: none recorded

Related records

33245

Part of: BOSIGRAN - Post Medieval stamping mill (Monument)

Associated Images

Bosigran Steam Stamps Boiler House looking South
© M. Frankell

Bosigran Steam Stamps Boiler House wall to South
© M. Frankell

Bosigran Steam Stamps Boiler House Inner East wall
© M. Frankell

Bosigran Steam Stamps Boiler House from field
© M. Frankell

Bosigran Steam Stamps Boiler House Outer west wall
© M. Frankell

Bosigran Steam Stamps Boiler House from South
© M. Frankell

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