Alley & MacLellan

Alley & MacLellan Ltd was a mechanical engineering company based in Glasgow, Scotland. Its products were sold under the Sentinel brand.

Alley & Maclellan Ltd.
IndustryValve manufacturing
Founded1814
Defunct1954
HeadquartersPolmadie, Glasgow
SubsidiariesSentinel Valve Works, Worcester
Sentinel Waggon Works, Shrewsbury

History

Alley & MacLellan was founded in Bridgeton, Scotland in 1875 by Stephen Alley and John Maclellan.[1] The company began by building valves, compressors and other parts for steamships.[2]

By 1880 the company had moved to larger premises in Polmadie, and began building complete ships.[2][3][4] Because of the factory location far from the ocean, the ships were designed so that they could be transported in sections and assembled at dockside.[5]

In 1883, the company designed a new type of high speed steam engine which was used to generate electricity on board ships.[6][7]

The company was incorporated in 1903 as Alley & MacLellan Ltd. with Stephen Alley becoming a partner after his father's death.[2] Their factory in Polmadie was called Sentinel Works.[8] That year the company acquired Simpson and Bibby of Horsehay, Shropshire, a manufacturer of steam powered road vehicles,[2] and by 1905 it was manufacturing steam wagons.[9]

In about 1907 the company began building dump trucks;[10]

The company continued to manufacture steamships and boats, and in 1912 its output was about 2700 tons.[11] Eventually almost 500 small ships and boats were produced. The vast majority of these vessels were assembled at the Jessie Street works using nuts and bolts, then dismantled and shipped as parts in crates to their client destination where they were re-assembled using rivets. At least one Alley & McLellan ship is still in existence – the motor vessel (originally steamship) Chauncy Maples on Lake Nyasa (Lake Malawi).

in 1915 the wagon and truck aspect of the business had grown to the point that the company opened a subsidiary company in Shrewsbury as the Sentinel Waggon Works, manufacturing lorries and railway vehicles.[3] A group of the core Scottish staff moved from Glasgow to Shrewsbury.

In 1918 the company was acquired by William Beardmore & Co., Ltd,[1] and opened another subsidiary, The Sentinel Valve Works, in Worcester, England, to expand its manufacture of valves.

Both factory buildings were prefabricated in Glasgow, and reassembled on site,[12] again a group of core Scottish staff moved to Worcester from Glasgow.[13]

The company manufactured a variety of compressors, including ones used in foghorns.[14]

By 1937, Alley & MacLellan was once more an independent company. In 1945 it became a subsidiary of Glenfield & Kennedy Ltd.[1]

Alley & McLellan continued to operate in the original Sentinel Works in Jessie Street, Glasgow until the 1950s, producing various engineering products. The 'Sentinel' name continued to be used for the products of the original Glasgow works until the mid 20th Century.

In 1975 the company was dissolved.

The original Sentinel Works in Jessie Street, Glasgow was still in existence in 2017 though now in a very derelict condition. The design offices and pattern shop is Category A listed as a building of significant national importance. Designed by Archibald Leitch, it was the first steel-reinforced concrete building in Scotland.[15]

The Sentinel Waggon Works

In 1915, a subsidiary company, The Sentinel Waggon Works was created in Shrewsbury, England, to focus on the production of land-based powered vehicles. Initially these vehicles, lorries, were steam powered. The modern factory was pre-fabricated in Glasgow for rapid assembly giving the local management a state-of-the-art design and production facility.

The Sentinel Valve Works Ltd

Advert for Alley & MacLellan, 1943

In 1918, Alley & Maclellan formed a second subsidiary company based in Worcester, England, this expanded and continued the design and manufacture of mechanical valves allowing the company to again expand production away from shipbuilding at Glasgow and into new lucrative markets.

References

  1. L. A. Ritchie (1992). The Shipbuilding Industry: A Guide to Historical Records. Manchester University Press. pp. 41–. ISBN 978-0-7190-3805-1.
  2. "Sentinel Waggon Works" Archived 8 December 2015 at the Wayback Machine, Discover Britain.
  3. Julian Holland (1 May 2012). Amazing & Extraordinary Facts Steam Age. David & Charles. pp. 128–. ISBN 978-1-4463-5619-7. Archived from the original on 30 November 2016. Retrieved 14 October 2016.
  4. Marine Engineer and Naval Architect. 1891. pp. 37–.
  5. "Alley and MacLellan" Archived 8 December 2015 at the Wayback Machine. Captains of Industry by William S. Murphy. Published 1901. Reprinted in Gracie's Guide to Industrial History.
  6. THE TELEGRAPHIC JOURNAL AND ELECTRICAL REVIEW. 1883. pp. 421–.
  7. Engineering. Office for Advertisements and Publication. 1883. pp. 493–.
  8. Administrative summary accompanying "Records of Alley & MacLellan (Polmadie) Ltd, engineers, Polmadie, Glasgow, Scotland" Archived 8 December 2015 at the Wayback Machine, University of Glasgos
  9. Cassier's Magazine. L. Cassier Company, Limited. 1905. p. 500.
  10. Donald F. Wood. Dump Trucks. MotorBooks International. pp. 7–. ISBN 978-1-61060-584-7. Archived from the original on 30 November 2016. Retrieved 14 October 2016.
  11. Adam Kirkaldy (2009). History of British Shipping. BoD – Books on Demand. pp. 586–. ISBN 978-3-86195-068-4. Archived from the original on 30 November 2016. Retrieved 14 October 2016.
  12. "University of Glasgow, Archive Hub". Archived from the original on 8 December 2015. Retrieved 6 February 2014.
  13. "The Sentinel Valve Works, Worcester, 1921 | Britain from Above". Archived from the original on 4 March 2016. Retrieved 13 February 2014.
  14. Alan Renton (2001). Lost Sounds: The Story of Coast Fog Signals. Dundurn. pp. 124–. ISBN 978-1-870325-83-7.
  15. Hughes, William Jesse; Thomas, Joseph Llewelyn (1973). A History of Alley & Maclellan and the Sentinel Waggon Works: 1875-1930. Newton Abbot: David & Charles.

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