Astrolabes /
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Date | early 17th century |
Place | Europe |
Material | Brass |
Inventory no. | 54424 |
Acquisition | Presented by J. A. Billmeir in 1957 |
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detailed provenance for this astrolabe
Mater
The mater and limb are of two pieces, soldered and riveted construction. Large sighting vanes on the horizontal axis, screwed to the outer edge of the limb, with slotted sights. Scales on the limb: More informationBack
The back contains 1 scales of the following types: Degree. The universal on the back contains 1 scales. More informationRete, Nut & Bolt
The rete contains 19 stars. The zodiac on the rete is labelled: Aries ♈ , Tavrvs ♉ , Gemini ♊ , Cancer ♋ , Leo ♌ , Virgo ♍ , Libra ♎ , Scorpivs ♏ , Sagittarivs ♐ , Capricornvs ♑ , Aqvarivs ♒ , Pisces ♓ .The rete is attached using a nut & bolt. simple threaded pin with square nut. More information
Rules & Alidades
Type | Details |
---|---|
Alidade | Double-ended, counter-changed. counter-changed with
simple blunt pointers that were probably actual pointers
at one time -- they show signs of having been filed off
blunt.. |