Astrolabe Catalogue

astrolabe, inventory number 50257 from Bologna, 1558
thumbnail for astrolabe (front), inventory number 50257 from Bologna, 1558
thumbnail for astrolabe (back), inventory number 50257 from Bologna, 1558
thumbnail for astrolabe (rete front), inventory number 50257 from Bologna, 1558
MakerGiovanni Domenico Feciolo
Inventory no.50257
AcquisitionBequeathed by Mrs A. M. Billmeir in 1973

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Throne, Ring and Shackle

made of brass with s-shaped scroll work support(s) made of attached with screwed base made of brass and has a simple, round cross-section ring made of brass and rotating pin type shackle made of brass . More information


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


The back contains 6 scales of the following types: Degree; Zodiacal signs; Calendar; Shadow square; Unequal hours. The back is inscribed: with a maker's signature marked as Io: Dom; Feciolus Trident: faciebat (Giovanni Domenico Feciolo of Trent made this). This inscription is engraved elow the shadow square. with a owner's mark marked as Astrolabium hoc ex tabulis Bergensibus construendum sibi curavit Julius Caesar luchinus Bononiae anno 1558 (In 1558, Julius Caesar Luchino fo Bologna arranged to have this astrolabe made for himself from according to the Tabulae Bergenses). This inscription is engraved within the unequal hour diagram. More information

Rete, Nut & Bolt

The rete contains 24 stars. The zodiac on the rete is labelled: ARIES , TAVRVS , GEMINI , CANCER , LEO , VIRGO , LIBRA , SCORPIO , SAGITTARIVS , CAPRICORNVS , AQVARIVS , PISSES .

The rete contains 1 scale of the following type: Ecliptic.
The rete is attached using a nut & bolt. More information


There is one plate for latitude 43°0' . More information

Rules & Alidades

Type Details
RuleSingle-ended, counter-changed.
AlidadeDouble-ended, counter-changed. The right arm is decoratively engraved with a floral pattern.
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