Sine/Cosine
| Type: | Sine/Cosine |
| Style: | Outwards from centre |
| Geometry: | Linear |
| Unit of measurement: | 1/60 of quadrant radius |
| (Numbering) starts at: | 0 |
| (Numbering) ends at: | 60 |
| Numbered: | every 5 |
| Repeats: | 2 times |
| Divided every: | 5 (1/60 of quadrant radius) |
| then every: | 1 (1/60 of quadrant radius) |
| Notes: | The scale on this rule, found on both arms, was designed to be used with the sine/cosine graph found in the inner, upper-right quadrant |
Scale located on: Rule, Alidade, Regular or Pointer .
Location(s) detail:
| Rule, left arm: | Scales found on the left arm of a rule or alidade. (Rule, left arm) |
| Rule, right arm: | Scales found on the right arm of a rule or alidade. (Rule, right arm) |