………….. were used in the early machines of Pascal, Thomas, and the production versions from firms such as Brundsviga, Monroe, etc
A)Rough stones
B)Metals
C)polished stones
D)papers

Question

Quizplus · Accepted Answer

Early machines from inventors like Pascal and Thomas, as well as those produced by companies such as Brundsviga and Monroe, utilized metals in their construction. Metals provided the durability and precision required for the mechanical components of these calculating machines.

………… Were Used in the Early Machines of Pascal, Thomas