Astrolabe Catalogue

Unequal hours

Type: Unequal hours
Style: Unequal hours, double
Geometry: Arc
Unit of measurement: 1/12 of daylight
(Numbering) starts at: 0
(Numbering) ends at: 12
Numbered: every 1
Repeats: 2 times
Divided every: 1 (1/12 of daylight)
Notes: Both Tropics and the equator are drawn in for this scale. And each is labeled.

Scale located on: Tympan, Womb or Back .

Location(s) detail:

UL: Upper left quadrant (inside circular scales) (UL)
UR: Upper right quadrant (inside circular scales) (UR)
MHS Home | Contact Us | ©2006 Museum of the History of Science