Full size drawing of a mandolin made by Luigi Embergher - mod. 5bis - 1921 (2 sheets, 70x100 cm). It is a Drawing/Poster of a Luigi Embergher 5bis mandolin dated 1921. It's a very carefully made mapping with detailed informations on the instrument.Apart from the technical drawing giving all principal measurements, there are indications of thickness, sections of shell (for each centimeter), development of the end clasp, IR photo and digital elaboration of the images with enlargements of details, …