"Instra" charcoal-burning carriage foot warmer for use when travelling , copper container with perforations on sides and room for two charcoa l tubes at a time, based on design originally patented by the Earl of Dundonald in 1896 (pat no 5841), English, 1896-1920 "Instra" charcoal-burning carriage foot warmer for use when travelling 1896-1920
Carriage hot-water foot warmer for use on train or coach journeys, brass container covered in dark blue moquette, English, 1880-1910 Carriage hot-water foot warmer 1880-1910