Andreas Albrecht (Nuremberg 1586 - Hamburg 1628) was a German mathematician and engineer. Albrecht invented a variety of instruments, some of which are described in his treatises on architecture and perspective: Instrument zur Architectur (Nuremberg, 1622); Eygendliche Beschreibung (Nuremberg, 1625); and Duo Libri. Prior de Perspectiva ... Posterior de umbra ... (Nuremberg, 1625).[1]
Web site: Museo Galileo - object description.