7 astronomical instruments of AstroNavigators

• Navy Sextant (1 piece built)

• Armillary Sphere (5 pieces built)

• Newtonian Mirror Telescope (1 piece built)

• Lens Telescope (2 pieces built)

• Guo Shoujing's Jianyi aka simplified armillary (7 pieces built)

• Syrian Astrolabe (1 piece)

• Capitain Cook's Octant (1 piece)