Azimuth Compass

Johannes van Keulen (I), c. 1750, compass, NG-MC-872

Model of a Masting Sheer

Rijkswerf Hellevoetsluis (possibly), c. 1818, demonstration model, NG-MC-36

Model of a Masting Sheer

Rijkswerf Rotterdam, c. 1818, demonstration model, NG-MC-37

Model of a Crane for Stepping Masts

's Lands Werf Hellevoetsluis (possibly), Rijkswerf Hellevoetsluis (possibly), c. 1790 - c. 1820, demonstration model, NG-MC-34

Model of a Crane for Stepping Masts

's Lands Werf Hellevoetsluis (possibly), Rijkswerf Hellevoetsluis (possibly), c. 1790 - c. 1820, demonstration model, NG-MC-33

Model of a 74-Gun Ship on a Slipway

anonymous, c. 1797 - c. 1800, ship model, NG-MC-504

Tide Table for the Dutch West Coast

Samuel Lankhout, 1870, tide table, NG-MC-1362