ISBN 0262518988 books & textbook
Le Calcul Simplifié: Graphical and Mechanical Methods for Simplifying Calculation (Charles Babbage Institute Reprint)
D'Ocagne, Maurice Howlett, J. Williams, Michael R. Howlett, J. Williams, Michael R.
Mit Pr /1986-11-06 Paperback / 211 Pages
isbn-10: 0262518988 / isbn-13: 9780262518987
