Pickworth, Charles N.
The slide rule : a practical manual /by Charles N.Pickworth - 18th ed. - Manchester Emmott 1927 - 134 p.
Mathematical instruments-Calculations
570.78 / PIC
The slide rule : a practical manual /by Charles N.Pickworth - 18th ed. - Manchester Emmott 1927 - 134 p.
Mathematical instruments-Calculations
570.78 / PIC