Astrolabe Catalogue

Degree

Type: Degree
Style: 360° scale extending from 90° point (the throne) clockwise back to the 90° point.
Geometry: Circular, concentric
Unit of measurement: Degrees
(Numbering) starts at: 0
(Numbering) ends at: 360
Numbered: Every 5
Repeats: 1 times
Divided every: 5 (Degrees)
then every: 1 (Degrees)
Notes: This scale was unevenly graduated and poorly engraved. Moreover, the the engraver mislabelled some of the graduations, i.e., 130° is labelled 140°

Scale located on: Limb .

Location(s) detail:

outer: outermost scale on the front of the limb (outer)
MHS Home | Contact Us | ©2006 Museum of the History of Science