Portraits of Willem Jacob 's Gravesande and Hermanus Boerhaave, Philippus Velijn, 1821 print Portraits of Willem Jacob 's Gravesande and Hermanus Boerhaave, both professor in Leiden. Netherlands paper etching
Size: 4208px × 6704px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No
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