Avery & Dangar (1839)Avery & Dangar11 Gt Portland St, London; cabinet maker and upholsterer (1839)Source: DEFM 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, 1500-1914OccupationCabinet makerUpholsterer