Détails

A-304a

Paper Instrument

Astrolabe: Western, Double

Manuscript on thick card. Horizon plate of stars of northern and southern hemispheres and zodiac. Revolves within a semi-circular sleeve calibrated to show the hour. Respective rule on face for each hemisphere. 408 star markers.

c. 1628

cardboard, ink

Manuscript, Black ink

France

	Imperial(in)		Metric(cm)
Height			35.8
Width			33.7
Depth			0.3
Diameter
Circumference

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	Imperial(in)		Metric(cm)
Height	14 2/16		35.8
Width	13 5/16		33.7
Depth
Diameter
Circumference

	Imperial(in)		Metric(cm)
Height
Width
Depth
Diameter