Antique Early 1900’s German Teaching Poster, ‘Menzel’s Thermometer’. Beautifully aged patinated paper with strikingly precise images in a contrasting black ink. Two original cloth loops for hanging. Edges trimmed in green. Cool Industrial, Shabby Chic, Boho, Collector of Curiosities Vibe. Dimensions: 29” W x 0.125” D x 20.5” H In very good antique condition considering age and history. Zoom in on photos to see any imperfections including obvious aging to the paper front and back and to the edges.