Benedictus de Spinoza. Algebraic calculation of the rainbow 1786. Facsimile of the original Dutch text with an introduction by G. Ten Doesschate.
Nieuwkoop, B. de Graaf, 1963. Or.boards. 26 ,20, 2 pp. Introduction in English. A few brownings, otherwise in fine condition. Incl. a thin paper tissue jacket.