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Continue to ChatJohann Wilhelm Klein's 1807 Printing Device for the Blind https://graphicarts.princeton.edu/2020/07/22/johann-wilhelm-kleins-1807-printing-device-for-the-blind/
Johann Wilhelm Klein's 1807 Printing Device for the Blind https://graphicarts.princeton.edu/2020/07/22/johann-wilhelm-kleins-1807-printing-device-for-the-blind/