Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,138 pages of information and 233,680 images on early companies, their products and the people who designed and built them.
of Redfern Road, Tyseley, Brimingham, 11. Telephone: Birmingham, Acocks Green 1623 (8 lines). Cables: "Slumberland, Birmingham". Export Department: St Ann's Crescent, London, SW18
of Prince of Wales Mill, Vulcan Street, Oldham.
1919 Established by John Carpenter Seccombe trading under the name Crown Bedding Co.
1928 Incorporated as a Private Limited Company.
1947 British Industries Fair Advert as Manufacturers of "Slumberland" Registered Spring Interior Mattresses. "Slumberland Registered Spring Interior Divans. "Slumberland" Feather Pillows and Bolsters. "Intalok" Hospital Spring Interior Mattresses. "Intalok" Upholstery Spring Units. "Restola" Registered Upholstery. (Furniture Section - Earls Court, 1st Floor, Stands No. 772 and 777) 
1970 Duport took over Slumberland Ltd and its associated companies; this merger would give the combined group 30% of the UK beds market (including Vono's share) but the logic and price was questioned.