Ethnographic drawing - a traditional thresher

Ethnographic drawing of an object from the collection of the National Museum of Ethnology (Inv. Nr.: AR.798), depicting, from several perspectives, a "trilho", a traditional thresher of the "plostellum" type. This instrument was used until the mid-20th century for the threshing of wheat in Melides, Grândola, in the South of Portugal.