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 of arc
(Numbering) starts at: 0
(Numbering) ends at: 15
Numbered: every 5°
Repeats: 24 times
Divided every: 5 (Degrees of arc)
then every: 1 (Degrees of arc)
Notes: Degree scale numbered 5 - 10 - 15 for each hour (i.e. for every 15 degrees) then subdivided every degree

Scale located on: Limb .

Location(s) detail:

outer2: second outermost scale on the front of the limb (outer2)
MHS Home | Contact Us | ©2006 Museum of the History of Science