Question: One of the constituents of the FT 30 index of leading companies on the London Stock Exchange took over which brewery in the late 1900's?

Context paragraphs:
International Tea Co. Stores: International Tea Co.  Stores was a leading chain of grocers based in London.  It was an original constituent of the FT 30 index of leading companies listed on the London Stock Exchange.

Drybrough &amp; Co: Drybrough & Co was a brewery in Edinburgh, Scotland, from 1895 to 1987.  Members of the Drybrough family had been brewing beer in Edinburgh since before 1750.  In 1892 they moved to a new factory at a greenfield site in Craigmillar, designed by Robert Hamilton-Paterson.  It was the second brewery established in Craigmillar.  The new company was established in 1895 and sold beer in south and west Scotland.  They also supplied a brewery in Northumberland and one in Dundee.  In 1965 they were taken over by Watney Mann, and in 1987 the company was bought by Allied Lyons, who closed the brewery.  Production ended on 23 January 1987.

Murex (company): Murex Limited was a leading British provider of services to metallurgists, smelters and refiners, and welders.  It was an original constituent of the FT 30 index of leading stocks on the London Stock Exchange.

FTSE 100 Index: The Financial Times Stock Exchange 100 Index, also called the FTSE 100 Index, FTSE 100, FTSE, or, informally, the "Footsie" , is a share index of the 100 companies listed on the London Stock Exchange with the highest market capitalisation.  It is seen as a gauge of prosperity for businesses regulated by UK company law.  The index is maintained by the FTSE Group, a subsidiary of the London Stock Exchange Group.

FTSE 350 Index: The FTSE 350 Index index is a market capitalization weighted stock market index incorporating the largest 350 companies by capitalization which have their primary listing on the London Stock Exchange.  It is a combination of the FTSE 100 Index of the largest 100 companies and the FTSE 250 Index of the next largest 250.  The index is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group.  See the articles about those indices for lists of the constituents of the FTSE 350.

Bolsover Colliery Company: The Bolsover Colliery Company was a major mining concern established to extract coal from land owned by the Duke of Portland.  At its peak the business was a constituent of the FT 30 index of leading companies on the London Stock Exchange.

Patons and Baldwins: Patons and Baldwins was a leading British manufacturer of knitting yarn.  It was an original constituent of the FT 30 index of leading companies on the London Stock Exchange.

Fine Spinners and Doublers: Fine Spinners and Doublers was a major cotton spinning business based in Manchester, England.  At its peak it was a constituent of the FT 30 index of leading companies on the London Stock Exchange.

Turner &amp; Newall: Turner & Newall was a leading manufacturing business based in Manchester, United Kingdom.  At its peak, it was a constituent of the FT 30 index of leading companies on the London Stock Exchange.  As part of their business, the company was one of the first to industrialize asbestos, and its eventual demise in 2001 left an aftermath of asbestos litigation.

Watney Combe &amp; Reid: Watney Combe & Reid was a leading brewing business in London.  At its peak in the 1930s it was a constituent of the FT 30 index of leading companies on the London Stock Exchange.  It produced the beer brand Watney's Red Barrel.

Supporting paragraphs: Drybrough &amp; Co Watney Combe &amp; Reid
Answer: Drybrough & Co