1632-1675 1632-1723 1649-1713 17thcentury antonivan artandscience beobachtung bidloo biography biologists delft fasciolahepatica govard history jan johannes knowledge kunst liverflukes microscopes microscopy naturwissenschaften netherlands optischesinstrument qh204f699l1991 science sciencevermeer vermeer vermeervandelft wz290b585l1698f