The side rule and technical problems solving x
Leach, H. W. Beakley, George C.
The side rule and technical problems solving x - x - London Macmillan 1966 - 130p.
x
Mathematics Slide rule
510.7823/LES
The side rule and technical problems solving x - x - London Macmillan 1966 - 130p.
x
Mathematics Slide rule
510.7823/LES