Slide Rule
A calculating device consisting of two sliding logarithmic scales and a marker. Essential in science and engineering for complex calculations up until the 1970′s.
Invented in 1622 by William Oughtred.
Subjects: Mathematics
A calculating device consisting of two sliding logarithmic scales and a marker. Essential in science and engineering for complex calculations up until the 1970′s.
Invented in 1622 by William Oughtred.
Subjects: Mathematics