Astrolabe Catalogue

Equal hours

Type: Equal hours
Style: Hour-conversion scale
Geometry: Arc
Unit of measurement: Times of day
(Numbering) starts at: 0
(Numbering) ends at: 12
Numbered: Every 1
Repeats: 2 times
Divided every: 1 (Times of day)
then every: 30 (Times of day)

Scale located on: Tympan, Womb or Back .

Location(s) detail:

Upper half: The upper two quadrants of the back of the instrument (Upper half)

Inscription(s):

Type: Scale label
Content: HorÆ æquales
Translation: Equal hours
Language: Latin
Script: Mixed
Notes:
----------
Type: Scale label
Content: Horæ ante meridiem
Translation: Hours before noon
Language: Latin
Script: Italic
Notes:
----------
Type: Scale label
Content: Horæ post meridiem
Translation: Hours after noon
Language: Latin
Script: Italic
Notes:
----------
MHS Home | Contact Us | ©2006 Museum of the History of Science