Dinanderie: a history and description of mediaeval art work in copper, brass and bronze (1910)
Perry, John Tavenor, 1842-1915 · New York, The Macmillan company; London, G. Allen & sons · leaf 131
Fig. 25.—Bronze Railings, Aix-i.a-Chapelle having His right hand raised and His left hand holding abook. Hand-warmers, which were twin hemispheres of metalmade to contain live charcoal, were used by the priests duringthe services to warm their chilled hands. They are to be foundmentioned in church…