Classification Information
Telescopes; Body-tubes for telescopes; Equatorial telescopes; Lenses for telescopes; Prisms; Reflecting telescopes; Reflectors for telescopes; Tripods; Zenith telescopes
Electrical and Scientific ApparatusTelescopes; Body-tubes for telescopes; Equatorial telescopes; Lenses for telescopes; Prisms; Reflecting telescopes; Reflectors for telescopes; Tripods; Zenith telescopes
Electrical and Scientific Apparatus