Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en semaphores300411475semaphore Signaling apparatuses consisting of an upright post with one or more arms that can be moved in a vertical plane, different positions of the arm or arms representing different letters or messages. Semaphores were often placed on towers in lines across the landscape, sending messages for distances prior to the invention of the telegraph. semà for semaphores (traducció pendent) 2026-03-30 20:35:24