Brunings, C.L. Proeve ener nieuwe theorie nopens de uitwerking der staande schepradmolens
(Amst., J. Allard, 1801). (12),68 p. (printer's errors in pagination, but complete). 2 fold. tables and 1 fold. plate. Marbled paper boards (worn). 4to. Occas. foxing, overall a very good copy. Added: Hennert, J.F. Proeve eener theorie weegens de moolens, die door 't water gedreeven worden. Transl. J.J. Blassiere. (Haarlem, J. Bosch, 1765). P. 33-168. 1 fold. plate. Later half leather w. marbled paper boards. 8vo. Occas. foxing/ browning.
Both works parts of larger series. (total 2)