Astronometric measuring machines and instruments; Binoculars; Directional compasses; Equatorial telescopes; Field-glasses; Hunting binoculars; Lenses for astrophotography; Lenses for telescopes; Magnetic compasses; Microscopes; Monocular frames; Monoculars; Opera glasses; Prisms; Reflecting telescopes; Reflectors for telescopes; Spyglasses; Surveying compass needles; Telescopes; Telescopic sights; Telescopic riflescopes; Telescopic sights for artillery; Theatre glasses; Tripods; Zenith telesc...

infant formula