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Latitude: 53.0635 / 53°3'48"N
Longitude: -4.2264 / 4°13'34"W
OS Eastings: 250910
OS Northings: 354120
OS Grid: SH509541
Mapcode National: GBR 5K.C5TC
Mapcode Global: WH54Z.18Q9
Plus Code: 9C5Q3Q7F+9F
Entry Name: Engine House
Listing Date: 21 July 2000
Last Amended: 21 July 2000
Grade: II
Source: Cadw
Source ID: 23676
Building Class: Industrial
ID on this website: 300023676
Location: Located on Level VIII (Bonc Brig) of Pen- yr-Orsedd Slate Quarry at the foot of the modern steep access road from Y Fron.
County: Gwynedd
Town: Caernarfon
Community: Llanllyfni
Community: Llanllyfni
Locality: Pen-yr-Orsedd
Traditional County: Caernarfonshire
Tagged with: House
Engine house built in 1906 as part of improvements and expansion carried out to the quarry at that time. The quarry opened c1816 and in 1863 it was bought by W A Darbishire & Co. During the 1890s about 450 men worked here: it finally closed in 1997.
Regularly coursed slate slabs and rubblestone; slate roof. Rectangular plan, east gable set into bank. Door opening to left in long south wall. In direct alignment with blondin ropeway system extending across the quarry to the north-west.
Retains winding drum operated from a Bruce Peebles 3-phase motor of 1906 through reduction gearing, of which the motor, control mechanism and liquid controller survive.
Included as a well-preserved engine house, which with its associated blondin ropeway system is a significant feature of the quarry.
Scheduled Ancient Monument (208).
External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.
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