Including: Cornelis Velsen's (1703-1755) Rivierkundige Verhandeling, Amsterdam: Tirion, 1749, illustrated with six folding plates, some of which are maps;
[bound with] John Hill's (1716-1775) Proeven der Natuurlyke Historie en Wysbegeerte, Behelsende eene Reex van Ontdekkingen, Gedaan met Behulp van het Microscopium, Harlem: Enschedé & Huytink, 1753, octavo, in contemporary binding of pink alum-tawed calf spine and marbled paper boards, gilt title, 8 x 4 3/4 in.
The first work, by Velsen, the Dutch cartographer, concerns itself with rivers. The second details new observations and discoveries made with the microscope.
