Antique European Mole Cricket Gryllotapla Rollable Wall Chart by Jung Koch Quentell

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A traditional antique pull-down wall chart by Jung Koch Quentell showing the life cycle of an European mole cricket (gryllotalpa … Read more A traditional antique pull-down wall chart by Jung Koch Quentell showing the life cycle of an European mole cricket (gryllotalpa gryllotalpa). Published by Fromann & Morian. Colorful print on paper reinforced with canvas. Used as teaching material in German schools, circa 1920s. Measurements: Width 101 cm (39.76 inch) Height 67 cm (26.38 inch) The measurements shown refer just to the canvas and do not include the poles. Background information on the history of school wall charts: The idea to upgrade every day school life by using pictures was supported in the late 18th century by Johann Bernhard Basedow. In 1774 he published a four-volume book "Elementarwerk" which combined pictures, text and information with merely hundred copperplates. Modern printing methods enabled the spread from rich private schools to rural grade schools. From 1820-1836 the oldest mentioned series of wall charts were published with the range of six booklets including 63 large sized charts. The rising 20th century was the golden age for publishers printing wall charts. Artists Masterly performed pictures which combined the subject-specific standards of a scientist with the standards given by an educator and finally created a magnificent art work. See less