François Joubert, François-Nicolas Rousseau
Silver and wood; H. 4 3/4 in. (12.1 cm.), Diam. of rim 4 1/8 in. (10.6 cm.), max. L. with supports closed 7 1/4 in. (18.4 cm.), max. L. with supports extended 8 1/2 in. (21.5 cm)
Atwater Kent Museum of Philadelphia, The Historical Society of Pennsylvania Collection (Philadelphia, Pa.), 1972.7
A spirit lamp is a table accessory designed to keep a serving dish or plate of food warm. Once lit, the lamp burned a low flame beneath a dish placed on it. Franklin declared the spirit lamp to be a necessary accessory for the traveler.