1828 25 Oct. 1/2 (advt.) Spring Mattresses, Carriage Seats, &c. on the most improved principle.
1875 E. H. Knight Spring-mattress, one having metallic springs beneath the hair or moss filling.
2006 (Nexis) 22 Apr. Ms Sangeeta Hiranand..was fed up with her 15-year-old spring mattress.