Movable Astronomical Quadrants

11. Movable quadrant by D. Lusverg
12. Movable quadrant by D. Lusverg
13. Movable quadrant by S. Menini
14. Movable quadrant by J. Sisson
15. Movable quadrant by P. Mégnié

Astrolabes
Gnomons and Sundials
Pendulum Clocks
Mural Instruments
Transit Telescopes and Meridian Circles
Telescopes
Armillary Spheres
Celestial and Terrestrial Globes
Geographical and Celestial Maps
Mathematical, Meteorologic, Topographic and Nautical Instruments
Marine Chronometers
Apparatuses