Jackman, William (1831-40)Jackman, William, Gt Yarmouth, Norfolk, cm (1831–40). From 1832 shown as William Jackman jnr. [Poll bks] The original entry from Dictionary of English Furniture Makers, 1660-1840 can be found at British History Online.SourceDictionary of British and Irish Furniture Makers, 1500-1914