Found:


Model of a Made Mast

anonymous, 1819, demonstration model, NG-MC-138-2

Model of a Made Mast

anonymous, c. 1821, demonstration model, NG-MC-136

Model of Part of a Made Topmast

anonymous, 1821, demonstration model, NG-MC-158

Model of Two Congreve Rockets with…

anonymous, c. 1810 - c. 1840, scale model, NG-MC-1029-1

Model of Two Congreve Rockets with…

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

Flare

anonymous, 1819, fire plate, NG-MC-1081-B

Model of Cable Stopper

anonymous, c. 1830 - c. 1870, demonstration model, NG-MC-1889-48

Model of a Wind-Driven Pump

anonymous, 1827, demonstration model, NG-MC-648-1

Model of a Carriage for a…

anonymous, 1851, demonstration model, NG-MC-753

Model of a Portable Optical…

anonymous, 1840 - 1860, demonstration model, NG-MC-955