Read "Capital, Volume One: The Process of Production of Capital" by Karl Marx online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
Wages themselves again take many forms, a fact not recognizable in the ordinary economic treatises which, exclusively interested in the material side of the question, neglect every difference of form. An exposition of all these forms however, belongs to the special study of wage labour, not therefore to this work. Still the two fundamental forms must be briefly worked out here.
The sale of labour-power, as will be remembered, takes place for a definite period of time. The converted form under which the daily, weekly, &c., value of labour-power presents itself, is hence that of time wages, therefore day-wages, &c.