Author: Ananieva, O.A.
Title: Calculating mashines for Arithmetic Operations. Arithmometers, Adding and Tabulating Machines. Katalog.
Description: Mosvow, 2007. 209 pp. Col. ills. Hardcover. (Politechnical Muzeum). Texst in Russian also.

Keywords: Natural History Mathematics Technic Calculator Natuurwetenschappen Mathematica Techniek Rekenmachines