Petrus van der Loo (1806–1864)
- Model of a two-bladed screw propeller
- Model of a four-bladed screw propeller
- Model of a 10-Gun Transport
- Model of a Buoy
- Model of a Disengaging Gear for Paddle Wheels
- Model of a Two-Blade Parabolic Propeller
- Model of a Mainmast with Turnbuckles and Pinion Jack
- Model of a Time Signal
- Model of the Spiral Staircase of a Lighthouse
- Model of the Capital of a Lighthouse
- Model of a trunk engine
- Model of a Slip Hook for Lifeboats
- Model of a Pile Driver
- Model of Foundations with Cross-Piling
- Model of a Ladder
- Model of a Ladder
- Model of a Ladder
- Model of a Ladder
- Model of a Fire Ladder
- Model of a Ladder
- Model of a Lifting Screw
- Model of a Slip Hook for Lifeboats
- Model of a Slip Hook for Lifeboats
- Model of a Chain Pump
- Model Indicating the Headroom of the Rhine Bridge at Cologne
- Model of a 24-Pounder Breech-Loading Gun