Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en moderator lamps300180493lamp, moderatorlamps, moderatormoderator lamp Mechanical lamps which have a spring-loaded piston in the reservoir which forces oil up through an elaborate control mechanism to the burner. These lamps may be identified by the large flat key below the burner used to compress the spring. lámparas de pistón llum de pistó 2026-03-30 21:08:11