Scales
Type | Range & Units | Numbered | Geometry | Location |
---|---|---|---|---|
Ecliptic | 0 - 360 Degrees of ecliptic | Every 10 | Ecliptic | ecliptic |
Calendar | first day of month - last day of month Days of year | Every 5 | Circular, eccentric | ecliptic |
Date | 1929 |
Maker | W. Watson & Sons |
Place | London |
Material | Wood |
Inventory no. | 21423 |
Acquisition | Presented by W. Watson & Sons in 1929 |
Type | Range & Units | Numbered | Geometry | Location |
---|---|---|---|---|
Ecliptic | 0 - 360 Degrees of ecliptic | Every 10 | Ecliptic | ecliptic |
Calendar | first day of month - last day of month Days of year | Every 5 | Circular, eccentric | ecliptic |
Star name (on instrument) |
Modern star (if known) |
Mediation | Declination | Pointer |
---|---|---|---|---|
Caph | Caph | 8.0° of Aries | 60° | engraved |
β Ceti | Deneb Kaitos | 10.0° of Aries | -19° | engraved |
Schedir | Schedar | 11.0° of Aries | 42° | engraved |
α Arietis | Hamal | 2.0° of Taurus | 20° | engraved |
Aldebaran | Aldebaran | 10.0° of Gemini | 14° | engraved |
Capella | Capella | 18.0° of Gemini | 44° | engraved |
Rigel | Rigel | 19.0° of Gemini | -10° | engraved |
Bellatrix | Bellatrix | 20.0° of Gemini | 5° | engraved |
Betelgeuse | Betelgeuse | 28.0° of Gemini | 6° | engraved |
Sirius | Sirius | 10.0° of Cancer | -17° | engraved |
Procyon | Procyon | 22.0° of Cancer | 4° | engraved |
Alphard | Alphard | 10.0° of Leo | -9° | engraved |
Dubhe | Dubhe | 20.0° of Leo | 60° | engraved |
Merak | Merak | 14.0° of Virgo | 54° | engraved |
Phagda | Phecda | 1.0° of Libra | 50° | engraved |
Megrez | Megrez | 6.0° of Libra | 54° | engraved |
Alioth | Alioth | 16.0° of Libra | 52° | engraved |
Spica | Spica | 22.0° of Libra | -11° | engraved |
Mizar | Mizar | 24.0° of Libra | 54° | engraved |
Benetnasch | Benetnasch | 24.0° of Libra | 46° | engraved |
Arcturus | Arcturus | 6.0° of Scorpio | 18° | engraved |
β Librae | Zubeneshamali | 22.0° of Scorpio | -10° | engraved |
Antares | Antares | 8.0° of Sagittarius | -24° | engraved |
Vega | Vega | 8.0° of Capricorn | 38° | engraved |
Altair | Altair | 25.0° of Capricorn | 8° | engraved |