Glass vacuum tube containing mercury, used as element in hospital sun lamp, by Hanovia Lamps of Slough in 1928 Glass vacuum tube used in a hospital sun lamp, Slough, England, 1928
Ultraviolet lamp, sun ray, metal, by Hanovia, from Messrs. Englehard Industries, British, 1910-1930 Ultraviolet lamp, Slough, England, 1910-1930
Part of Ultraviolet sun lamp, metal, by Hanovia, from Messrs. Englehard Industries, British, 1928 Part of Ultraviolet sun lamp
Reflector for Sun-ray lamp, made by Hanovia Ltd, c.1930. Comprises a reflective panel supported on a metal stand. Includes ceramic fixings and Bakelite plug. sun-ray lamp