Astrolabe Catalogue

Throne, Ring and Shackle

The throne is of the pierced type made of brass with c-shaped scroll work support(s) made of brass attached with screwed base made of brass and has a simple, round cross-section ring made of brass and square, ornate type shackle made of brass . More information

Mater

The mater and limb are of two pieces, riveted construction. Scales on the limb: equal hours scale; degree scale. More information

Back

The back contains 7 scales of the following types: Degree; Zodiacal signs; Calendar; Unequal hours; Equal hours; Shadow square. More information

Rete, Nut & Bolt

The rete contains 48 stars. The zodiac on the rete is labelled: ARIES ♈ , TAVRVS ♉ , GEMINI ♊ , CANCER ♋ , LEO ♌ , VIRGO ♍ , LIBRA ♎ , SCROPIVS ♏ , SAGITTARIVS ♐ , CAPRICORNVS ♑ , AQVARIVS ♒ , PISCES ♓.

The rete contains 1 scale of the following type: Ecliptic.
The rete is attached using a nut & bolt. The nut is in the shape of a Maltese Cross. The bolt is integrated into the alidade on the back of the instrument. More information

Plates

There are 3 plates with latitudes ranging from 42°0' to 48°0' . More information

Rules & Alidades

Type	Details
Rule	Double-ended, counter-changed.
Alidade	Double-ended, counter-changed. The bolt that secures the rete and the plates is integrated into the alidade.

More information