Results

Le calcul simplifié : graphical and mechanical methods for simplifying calculation / Maurice d'Ocagne ; translated by J. Howlett and M.R. Williams.

The calculating machines (Die Rechenmaschinen) : their history and development / Ernst Martin ; translated and edited by Peggy Aldrich Kidwell and Michael R. Williams.

Handbook of the Napier tercentenary celebration : or, modern instruments and methods of calculation / edited by E.M. Horsburgh ; with a new introduction by Michael R. Williams.