RONAMA IIII V VI VII VIII IX X XI II X I II III IIII V VI VII VIII

Sextants; Telescopes; Compasses for measuring; Directional compasses; Magnetic compasses; Magnetic compasses for surveying; Surveying compass needles; Equatorial telescopes; Meridian transit telescopes; Reflecting telescopes; Zenith telescopes; GPS navigation device; Surveying instruments