EditorialThe other figure, from the Perpetuo Mobili to Weissenstein; Secunda Figura Perpetui Mobilis Weissensteiniani, Second illustration of the Perpetuum Mobiles in Weissenstein Castle from the 18th century, Fig. 3 & 4, to p. 144, 1719, Johann Ernst Elias Bes...
EditorialLeonardo da Vinci: C?dice Madrid I. BNE, MSS/8937, f 147v-f 148r Demostraci?n ic?nica y te?rica de la fuerza gravitatoria. Estudio acerca del movimiento perpetuo.
EditorialTwo passenger boats sail among barges carrying goods and cattle on Lake Maggiore in the foreground near the shores of Isola Bella, whose palace and ornamental gardens are seen beyond; the village of Stresa and mountains in the background. VEDUTA DELL' ...