Found:


Model of Two Congreve Rockets with…

Rijkswerf Rotterdam, 1818, demonstration model, NG-MC-1027

Model of a Paddle Wheel

D. van den Bosch, 1835, demonstration model, NG-MC-539

23-cm Steel Shell

Alderson (possibly), 1867, grenade (ammunition), NG-MC-1292

Two Samples of Telegraph Cable for…

Matthew Fontaine Maury (possibly), c. 1866, sample, NG-MC-1191

Model of an 18-cm Gun on a Pivot…

anonymous, anonymous, c. 1868 - c. 1869, gunmodel, NG-MC-1246

Correction Circle

Peter Barlow, 1820 - 1825, measuring instrument, NG-MC-879

Three Samples of Iron Cable

Andrew Smith, 1850 - 1858, cable, NG-MC-600

Gunlock (Flintlock) for a Carronade

anonymous, 1800, flintlock, NG-MC-692

Model of Two Congreve Rockets with…

Rijkswerf Rotterdam (attributed to), c. 1818, demonstration model, NG-MC-1026