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Inventory no. 41468 - Former Display Label

13
Middle Gothic ASTROLABE
c.1360

Unsigned and undated. Brass. Diam.: 152mm

Rete for 27 stars. 4 plates, for latitudes 45°, reverse blank; 41°, 48°, 50°, 51°, 52° and 53°. The back is engraved with scalesof degrees, a zodiac/calendar scale (0° Aries = 12.5 March, eccentric type), and a shadow-square. The alidade, rule, and pin are modern.

The rete incorporates the goat's head and tail design for the Tropic of Capricorn; the pattern of the tracery derives from the Y-type of Middle Gothic astrolabe. The lettering on this instrument is Lombardic.

[IC 168]
Lewis Evans Collection

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