Lower impression tray, Farebrother, size 2, chrome plated brass, by Ash, England, 1950-1970 Lower dental impression tray 1950-1970
Upper impression tray, form J size 0, chrome plated brass, by Ash, England, 1950-1970 Upper dental impression tray 1950-1970
Lower partial impression tray, ideal size 1, nickel plated brass, by C. Ash and Sons, London 1920-1940 Lower partial impression tray used in dentistry 1920-1940
Upper partial impression tray, perforated, for A size 1, German silver, by C. Ash and Sons, London, 1925-1950 Upper partial impression tray used in dentistry 1920-1950
2 No.3 universal partial impression trays, modified, nickel plated brass, by C. Ash and Sons, London, 1920-1940 2 No.3 universal partial impression trays 1920-1940
Lower edentulous impression tray, form 1, nickel plated brass, English manufacture, 1920-1950 Lower edentulous impression tray 1920-1950