Dumbarton's glassworks was established in 1777, and from 1800 to the 1830s was the most influential glassworks in Britain.
Turkey Red is made from the red root of the madder plant, related to the coffee and quinine plant, native to southern Europe.
Pictured above, the Blackburn Aircraft Factory in Dumbarton.
South end of Renton in the 1790s. The Smollett Monument is on the right, the kilns of Dumbarton Glassworks in the centre, and Dalquhurn House on the left. The printfield would be further to the left.
The UCBS was founded in Glasgow in 1869 to supply bread from its large factory in McNeil Street in Hutchesontown to the city's co-op branch stores.
The Argyll Motor Works, also known as the Torpedo Factory and more recently Loch Lomond Outlets and now Lomond Galleries, has dominated the north end of Alexandria for the past century.