ARTICLE COURANT POURVU D'UN DISPOSITIF PERMETTANT DE DETERMINER LES HEURES LOCALES DANS DIFFERENTES REGIONS DU MONDE

摘要

A writing block (10) has a writing surface (14) which is provided with an underlying map of the world. A first strip with a location marking (16) is fixedly connected to the writing block (10). A second strip which has a time marking (32) and can be adjusted parallel to the first strip is, furthermore, movably arranged on the writing block (10). <IMAGE>