Детали

A-304b

Paper Instrument

Astrolabe: Western

Astrolabic-type dial with volvelle and rule. Manuscript on thick board. Outer ring indicating hour. Inner ring indicating unequal hours. Volvelle calibrated to show 30 minute intervals.

c. 1628

cardboard, ink

Manuscript, Black ink

France

	Imperial(in)		Metric(cm)
Height			36.5
Width			30
Depth			0.1
Diameter
Circumference

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	Imperial(in)		Metric(cm)
Height			36.5
Width			30
Depth
Diameter
Circumference

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