Relates to: Teichen, Andreas Carl, Lehman, Christian
Was donated by: Abraham Harley Cassel, 1820-1908
Date of Original: 1717
Original Format: Manuscripts
Image description: This volume is a German, handwritten arithmetic instruction book. It was owned by Andreas Carl Teichen and later by Christian Lehman. This volume contains instructions for carrying out basic math functions (addition, subtraction, multiplication, and division), as well as completed practice exercises and notations.