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of Salisbury Square, Fleet Street, London
1814 John Haddon formed a general printing business
c.1897 Formation of Haddon-Caxton Pioneer Point Foundry
Walter discovered a material he called "Tungstone", which was described as the "next hardest thing to metal" and was used for making the frames and furniture for the standardized type which the firm supplied.
1914 Participated in the 5th International Exhibition of the Printing and Allied Trades at the Agricultural Hall, Islington, showing printing machinery and types
1920 Advertising was an important part of the business; clients included:
Presumably became part of Haddon Group