ABSTRACT
129. Definition.—The yield is the relation of the mechanical energy produced, to the energy expended. It has been explained that the industrial yield, r, is a gross value deducted from the relation of useful energy to the total energy (static and dynamic) ; whilst the net yield R only includes the dynamic expenditure. Then (see § 61): r = T D s + D d R = T D d . https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429399459/94a4526a-9352-4743-b7a9-38ee3e829d09/content/pg186-1.tif"/>
