Astrolabe Catalogue

Equal hours

Type: Equal hours
Style: 12-hour scale, clockwise from throne.
Geometry: Circular, concentric
Unit of measurement: Times of day
(Numbering) starts at: I
(Numbering) ends at: XII
Numbered: every 1
Repeats: 2 times
Divided every: 30 (Times of day)
then every: 15 (Times of day)

Scale located on: Limb .

Location(s) detail:

edge: scale on the outside edge of the limb (edge)
MHS Home | Contact Us | ©2006 Museum of the History of Science