Found:


Model of Foundations with…

Petrus van der Loo, 1855, demonstration model, NG-MC-49

Model of a trunk engine

Petrus van der Loo, 1855, scale model, NG-MC-528

On display in room 0.13

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-77

Model of the Spiral Staircase of a…

Petrus van der Loo, 1834, demonstration model, NG-MC-830

Model of a Pile Driver

Petrus van der Loo, 1855, demonstration model, NG-MC-48

Model of a Ladder

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

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