Found:


Tangent Sight

anonymous, 1845 - 1865, demonstration model, NG-MC-1889-30

Tangent Sight

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

Tangent Sight

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

Model of a Floating Beacon

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

Gun Sight

anonymous, c. 1860 - c. 1870, demonstration model, NG-MC-1889-27-1

On display in room 0.13

Gauge for Priming Tubes

Marine Stoomvaartdienst, 1860, test model, NG-MC-1082

Gun Sight

anonymous, c. 1860 - c. 1870, demonstration model, NG-MC-1889-28

Support of a Tangent Sight

anonymous, c. 1860 - c. 1870, demonstration model, NG-MC-1374

Tangent Sight

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

Gun Sight

anonymous, c. 1860 - c. 1870, demonstration model, NG-MC-1889-26