Date |
ca. 1600 |
Maker |
Philippe Danfrie
(?) |
Place |
Paris (?) |
Material |
Brass |
Inventory no. |
35082 |
Acquisition |
Presented by Lewis Evans in
1924 |
Rule, Regula, Pointer and Alidade Images
Alidade Image:
Alidade Image:
Rule Image:
Rule Image:
Rule Image:
Pointer
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Single-ended, counter-changed,
original. |
Simple |
None |
None |
None |
Central disc is marked with 64 small hashmarks along
perimeter. |
Scales
Range & Units |
Numbered |
Geometry |
Location |
Declination |
0 - 90 Degrees |
Every 5 degrees |
Linear |
Rule |
Declination |
0 - 23.5 Degrees |
Every 5 degrees |
Linear |
Rule |
Rule
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Single-ended, counter-changed,
original. |
Simple |
None |
None |
None |
|
Scales
Range & Units |
Numbered |
Geometry |
Location |
Equal
hours |
1 - 12 Times of day |
Every 1 hours |
Circular, concentric |
central flange |
Inscriptions
Transcription |
Translation |
Notes |
Type |
Midy |
South |
|
Miscellaneous |
Rule
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Single-ended, counter-changed,
original. |
Simple |
None |
None |
None |
|
Scales
Range & Units |
Numbered |
Geometry |
Location |
Degree |
0 - 75 Degrees |
Every 10 degrees |
Linear |
Rule |
Equal
hours |
1 - 24 Times of day |
Every 1 hours |
Circular, concentric |
central flange |
Rule
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Double-ended, counter-changed,
original. |
Simple |
None |
None |
None |
|
Alidade
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Double-ended, counter-changed,
original. |
Simple |
Rigid |
Double |
Single |
|