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Summary

Chimney at the 1920's arsenic works at Wheal Anna Maria mine which was part of Devon Great Consols

Location

Protected Status

• Scheduled Monument 1020328: Early 20th century arsenic works at the Devon Great Consols Mine

Other References/Statuses

• Old DCC SMR Ref: SX47SW/504/5/4
• Old Listed Building Ref (II)
• Old SAM Ref: 15559

Monument Type(s) and Dates

• CHIMNEY (XX - 1920 AD to 1921 AD (Between))

Full description

Ordnance Survey, 1954, SX47SW (Cartographic). SDV336689.

'Chimney' marked on OS 6" (1954) map.

Pye, A. R. + Dixon, T.
Pye, A. R. + Dixon, t., 1989, An Archaeological Survey of the Arsenic Works and an Inventory of the Other Historic Workings at Devon Great Consols Mine, Tavistock Hamlets, 9 (Report - Survey). SDV226597.

Pye, A. R. + Dixon, T., 1989, The Arsenic Works at Devon Great Consols Mine, Tavistock (Article in Serial). SDV219136.

Richardson, P. H. G., 1992, The Mines of Dartmoor and the Tamar Valley after 1913, 95 (Article in Serial). SDV323598.

This was adjacent to picking sheds and at the head of an incline from the 1920's arsenic works (504/5/3).

Buck, C., 2002, Devon Great Consols: Archaeological Assessment, 103-104+Fig 38 (Report - Assessment). SDV241758.

All the 1920's Arsenic Works buildings including the chimney are Listed Buildings Grade II & designated as a Scheduled Monument. The flue & chimney stack were probably constructed by 1921. The survey found that the arsenic flue enters through the south side of the chimney via a brick arched opening c1m square. Another arched brick opening above 0.65m wide x 0.88m high may have regulated ventilation or acted as a condensate drain. Approximately two thirds of the c100ft high chimney is built of stone & the remainder of brick with lime or concrete render on top. Foot irons have been inserted into the north face. Other details: Site 131.

English Heritage, 2002, Untitled Source (Schedule Document). SDV321559.

The monument includes a 1920s arsenic works at Wheal Anna Maria occupying part of the site of the larger 19C arsenic works which was mostly demolished in 1903. The chimney at the northern end of the Scheduled area survives to c35m & is rubble built with a brick arched flue entry, an iron shutter-guide & a second opening called a 'fingle hole' which regulated the draught. Other details: Monument No 15559.

Buck, C., 2009, Devon Great Consols Mine (Arsenic Works), Devon. Impact Assessment Report, 10-12 (Report - Assessment). SDV347875.

A structural condition survey undertaken in 2006 stated that the chimney was generally in good condition, but recommended that it be repointed, any loose brick at the top be securely re-bedded in lime mortar, a lightning conductor installed and a small galvanised steel grille inserted in the flue opening at the base to restrict access. There has been a small degree of localised brick arch collapse over the flue openings which will be repaired by the reinstatement of similar bricks prior to the installation of the grille. To reduce the visual impact of the works, only loose lime mortar will be removed and replaced with a new equivalent, reflecting the style and colour of the existing mortar, and the flue grille will be recessed in the opening and painted black. Other details: Figures 4-5.

Sources / Further Reading

SDV219136	Article in Serial: Pye, A. R. + Dixon, T.. 1989. The Arsenic Works at Devon Great Consols Mine, Tavistock. Proceedings of the Devon Archaeological Society. 47. Paperback Volume.
SDV226597	Report - Survey: Pye, A. R. + Dixon, T. Pye, A. R. + Dixon, t.. 1989. An Archaeological Survey of the Arsenic Works and an Inventory of the Other Historic Workings at Devon Great Consols Mine, Tavistock Hamlets. Exeter Museums Archaeological Field Unit Report. 89.08. A4 Stapled + Digital. 9.
SDV241758	Report - Assessment: Buck, C.. 2002. Devon Great Consols: Archaeological Assessment. Cornwall Archaeological Unit Report. 2002R069. Digital + A4. 103-104+Fig 38.
	Linked documents:1
SDV321559	Schedule Document: English Heritage. 2002.
SDV323598	Article in Serial: Richardson, P. H. G.. 1992. The Mines of Dartmoor and the Tamar Valley after 1913. British Mining. 44. A5 Paperback. 95.
SDV336689	Cartographic: Ordnance Survey. 1954. SX47SW. Ordnance Survey 6 inch map. Map (Paper).
SDV347875	Report - Assessment: Buck, C.. 2009. Devon Great Consols Mine (Arsenic Works), Devon. Impact Assessment Report. Historic Environment Projects, Cornwall Council Report. 2009R058. A4 Stapled + Digital. 10-12.

Associated Monuments

Associated Finds: none recorded

Associated Events

• EDV1421 - An Archaeological Survey of the Arsenic Works & other works at Devon Great Consols Mine
• EDV1430 - Devon Great Consols: Archaeological Assessment
• EDV5334 - Impact Assessment of the Arsenic Works at Devon Great Consols Mine

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