bookbindery machines 1890: in order to clean gilded book covers from excess gold adhering loosely to them and to prevent loss and contamination of this material, the gilded blankets enter the gold sweeper. Goldabkehrmaschine, Um vergoldete Buchdeckel von dem lose auf ihnen haftenden ueberschuessigen Golde zu reinigen und um Verlust und Verunreinigung dieses Materials zu verhindern, kommen die vergoldeten Decken in die Goldabkehrmaschine., digital improved reproduction of an original print from the 19th century