Cragend Silo

Cragend Silo is a Grade II* listed building located at Cragend Farm near the town of Rothbury in Northumberland, England. It was designed and built by Lord Armstrong of Cragside.[1]

Cragend Silo
Cragend Silo on the right
LocationRothbury, Northumberland, United Kingdom
Coordinates55.302°N 1.8644°W / 55.302; -1.8644
Listed Building – Grade II*
Official name: Hydraulic Silo Building 70 Metres East of Cragend Farmhouse
Designated25 August 1987
Reference no.1153196
Location of Cragend Silo in Northumberland

History

William Armstrong (26 November 1810 – 27 December 1900) was an industrialist and inventor who founded the firm of Armstrong Whitworth and developed the business into one of the world's foremost armaments manufacturers.[2][3] Having spent much of his childhood in Rothbury, in 1862 he returned on a walking holiday, purchased a small parcel of land and built a modest shooting box.[4] Over the next forty years, he enlarged both the house and the estate, making the property one of the most technologically advanced of its time. Armstrong was "especially interested in water power"[5] and expended considerable effort to extending the application of hydraulic power from the industrial into the agricultural and domestic spheres. His home Cragside was the first in the world to be lit by hydroelectric power and the sawmill he designed and built at Debdon, where he combined a turbine with a Siemens horizontal generator was the first development of a hydroelectric power source.[5] The conservators Sarah Schmitz and Caroline Rawson suggest Cragside was "the place where modern living began".[6]

Expanding his landholdings around Cragside, Lord Armstrong acquired Cragend, a nearby 16th-century farmhouse[7] two miles south of Rothbury.[8] He started work on modernising the farm in the 1880s,[8] and around 1895 built the experimental hydraulic silo building now known as Cragend Silo. The design is believed to have been influenced by a French system that Armstrong studied, and was intended to improve the efficiency of processing cut grass into silage.[1] Despite the innovative design, the procedure required a great deal of manual labour: this, coupled with issues caused by fumes emanating from the fermenting grass, led to the silo's abandonment after a short period of operation.[9] Blackburn Lake, which provided hydraulic power for the machinery, was drained around 1930.[1]

Cragend Silo was designated a Grade II* listed building on 25 August 1987.[1]

Description

The building is constructed of snecked stone, with tooled-and-margined dressings. The central block has a Welsh slate roof, and the two rectangular silage bays are roofed with curved corrugated iron. These each contain eighteen large stone drums, and flank the taller cross-gabled centre, which still contains the hydraulic engine, manufactured by Gilkes & Co,[7] in the basement, and a turbine at ground level. A chopping machine, now removed, was originally housed on the first floor and powered by the turbine below. Grass was fed into the first-floor chopping machine before being loaded by hand into the silos below, where it was compressed by the weight of the stone drums. Hydraulic power was used to lift the drums, and for hoists to lift compressed grass, and workers, out of the silos.[1]

Restoration

The building is currently (2019) undergoing restoration work,[10] funded by the Historic Houses Foundation, to make it accessible, including the repair of interior stairs and flooring.[7]

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References
  1. Historic England. "Cragend Hydraulic Silo (1153196)". National Heritage List for England.
  2. Saint 1992, p. 13.
  3. Greeves 2008, p. 106.
  4. Heald 2012, p. 168.
  5. Pevsner & Richmond 2002, p. 246.
  6. Schmitz, Sarah; Rawson, Caroline (2006). "Cragside: Rewiring a Temple to High Victorian Technology". The Building Conservation Directory. Retrieved 9 September 2017.
  7. "Cragend Farmhouse, Northumberland". Historic Houses Foundation. Historic Houses Foundation. Retrieved 7 May 2019.
  8. "Farm opens doors on heritage with tours, tastings and takeaways". Northumberland Gazette. JPI Media Ltd. Archived from the original on 24 April 2019. Retrieved 7 May 2019.
  9. "Going to Work on our Industrial Heritage at Risk" (PDF). Archaeology in Northumberland Volume 20. Northumberland Country Council. Retrieved 7 May 2019.
  10. "Cragend Hydraulic Silo, Rothbury". Giles Arthur Architects. Retrieved 9 May 2019.

Sources
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