This digital planimeter is a must-have for surveying and engineering professionals. Made in Japan, it boasts a measuring range of 98 x 12.5 ft HV and a roller type design for accurate and efficient measurements. The model KP90N is a top-of-the-line option with digital readout and easy-to-use controls. With a time period of manufacture ranging from 1930 to now, this planimeter is a collectible item as well as a functional tool. Its attributes include a modified item of "no" and a country/region of manufacture of Japan. Perfect for measuring the area of irregular shapes and curves, this digital planimeter is a valuable addition to any surveying or engineering toolkit.