Found:


Model of a Rudder

Petrus van der Loo, Petrus van der Loo, 1855, demonstration model, NG-MC-225

Model of a Ladder

Petrus van der Loo, c. 1850, demonstration model, NG-MC-76

Model of a Ladder

Petrus van der Loo, c. 1850, demonstration model, NG-MC-79

Model of a Mainmast with…

Petrus van der Loo, c. 1830 - c. 1840, rigging model, NG-MC-594

Model of a 24-Pounder…

Petrus van der Loo, 1863, demonstration model, NG-MC-1127

Model of a Slip Hook for Lifeboats

Petrus van der Loo, 1857, demonstration model, NG-MC-637

Model of a Slip Hook for Lifeboats

Petrus van der Loo, 1857, demonstration model, NG-MC-638-A

Model of a Lifting Screw

Petrus van der Loo, 1857, demonstration model, NG-MC-564-1

Model Indicating the Headroom of…

Petrus van der Loo, c. 1860, demonstration model, NG-MC-1030

Model of a Ladder

Petrus van der Loo, c. 1850, demonstration model, NG-MC-81