Astrolabe report (inventory number 48380)

astrolabe, inventory number 48380 from Heilbronn (?), ca. 1590

Date	ca. 1590
Maker	Johann Anton Linden (?)
Place	Heilbronn (?)
Material	Gilt brass
Inventory no.	48380
Acquisition	Presented by Lewis Evans in 1924

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Throne, Ring and Shackle

The throne is of the simple type made of gilt brass attached with integrated base made of brass and has a simple, round cross-section ring made of gilt brass and rotating pin type shackle made of gilt brass . More information

Mater

The mater and limb are of one-piece construction. The notch that accepts the tab to keep the tympan from rotating is located at the throne.. Scales on the limb: equal hours scale; degree scale. More information

Back

The back contains 6 scales of the following types: Altitude; Zodiacal signs; Calendar; Shadow square; Unequal hours. More information

Rete, Pin & Wedge

The rete contains 34 stars. The zodiac on the rete is labelled: ARIES , TAVR⁹ , GEM , CAN , LEO , VIRGO , LIBRA , SCORPI⁹ , SAGITTARI⁹ , CAPRICORN⁹ , AQVARI⁹ , PISCES .
The rete is attached using a pin & wedge. Both the pin and the wedge have decorated heads but are otherwise plain.. More information

Plates

There are 2 plates with latitudes ranging from 46°0' to 55°0' . More information

Rules & Alidades

Type	Details
Rule	Single-ended, counter-changed. Minor decorative engraving..
Alidade	Double-ended, counter-changed. No engraving or other ornamentation. The tips, however, are ornately carved..

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Astrolabe Catalogue