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Published online by Cambridge University Press: 03 November 2016
In many textbooks on applied mathematics, mechanics, or applied mechanics, the impression is still given that the only absolute systems of units are either the CGS system, using the gramme and dyne, or the British system using the pound and poundal and also that the only alternative system is a gravitational one in which either the unit of force or both the unit of force and the unit of mass vary with position; a few bodies do include the MKS system.