Quadrant

Quadrant

Two Quadrants

Protractor

Quadrant

Octant met toebehoren in mahoniehouten kist

Semi Circumferenter

Parallel Rule with Protractor and Plotting Scale

Square and Level

Model of a Support in a Dry Dock

Navigatie

Hollandse cirkel

Zonnewijzer van Wassenaar

Slide Scale

Model of an Oscillating Pump

Sun Compass

Model of a 16-cm Gun on a Pivot and Slide on Part of a Gun Deck

Portable Compass Sundial

Model of a Chain Flange of a Capstan

Model of a Gun on a Slide and Pivot

Box with Compass Card

Model of a Capstan

Dividers with Regulator

Sun Dial

Model van scheepsgeschut op affuit