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William Exall (1808-1881) of Barrett, Exall and Andrewes
1882 Obituary 
. . . born at Godalming . . . Two years later his father emigrated with all the family to America . . . About the year 1830 their uncle, Mr. Barrett, who then carried on what was known as the Katesgrove Foundry, Reading invited William Exall to come over and assist him in the business . . .