Found:


Model of a Floating Beacon

Rijkswerf Rotterdam (possibly), 1845, demonstration model, NG-MC-839-2

Model of Two Congreve Rockets with…

anonymous, c. 1810 - c. 1840, demonstration model, NG-MC-1029-2

Model of a Chain Stopper

anonymous, 1833, demonstration model, NG-MC-621-2

Tangent Sight

anonymous, 1860 - 1870, demonstration model, NG-MC-1889-29-B

Model of a Buoy

's Rijks Algemeen Betonningsmagazijn, 1873, demonstration model, NG-MC-1349-F

Model of a Buoy

's Rijks Algemeen Betonningsmagazijn (possibly), 1869, demonstration model, NG-MC-1366-B

Model of a Life-Saving Cart for…

Rijkswerf Rotterdam (attributed to), 1832, demonstration model, NG-MC-846-2

Tangent Sight

anonymous, 1845 - 1865, demonstration model, NG-MC-1889-24-B

Model of a Buoy

's Rijks Algemeen Betonningsmagazijn, 1873, demonstration model, NG-MC-1349-C

Model of a Filtering Machine

anonymous, 1800 - 1858, filtering machine, NG-MC-577-2