Figures of latitude
Date
17th century
Creator
Unknown, Artist
Object type
Archive reference number
Manuscript page number
p105r
Material
Dimensions
height (page): 191mm
width (page): 212mm
width (page): 212mm
Subject
Description
Three figures describing the lines of the equator and tropics, the horizon and the position of the Sun. Each figure has associated explanatory text. In figure 1 (upper left), the line A-B represents the horizon, line F-G the equator, and lines E-D and C-H are the tropics.
Possibly intended as a guide to the principle of calculating position based upon solar observation.
A drawing from the papers of Robert Boyle.
Possibly intended as a guide to the principle of calculating position based upon solar observation.
A drawing from the papers of Robert Boyle.
Transcription
Inscription on figure 1 (upper left) commences: ‘Horizon A B bisecat non tandum…’
Inscription on figure 2 (upper right) commences: ‘Hic solar equator I K ab horizonte A B in aquales…’
Inscription on figure 3 (below) commences: Hic tropico, canire [?] interger E F aliquot…’
Transcribed by the Making Visible project
Inscription on figure 2 (upper right) commences: ‘Hic solar equator I K ab horizonte A B in aquales…’
Inscription on figure 3 (below) commences: Hic tropico, canire [?] interger E F aliquot…’
Transcribed by the Making Visible project
Related fellows
Robert Boyle (1627 - 1691, British) , Natural philosopher
Associated place