-
Object number
W-282
-
Classification
Time Finding
-
Object name
Indicator
-
Title
Dipleidoscope
-
Creator
Dent, Edward John
-
Description
Darkened mirror rotating on 2 axes, one for latitude (or solar declination), graduated 0-90, and one for time, graduated IX-III by quarter hours in both directions. Small telescope screws into ring pointing at mirror. Set screws for each axis & for telescope ring. 2 leveling screws & 2 perpendicular spirit levels on base. Wooden and cloth box. One spirit glass (or level glass) is dry.
-
Inscription/Sig.
"E.J. DENT/ LONDON"; "PATENTED" (at other end of hour scale); "Dent & Co." (in compass); "2101" (on bottom - scratched twice)
-
Material
glass, brass, wood, metal
-
Place Of Prod.
England
-
Dimensions
|
Imperial(in) |
|
Metric(cm) |
| Height |
|
|
11.2 |
| Width |
|
|
12.8 |
| Depth |
|
|
12 |
| Diameter |
|
|
|
| Circumference |
|
|
|
-
Frame
|
Imperial(in) |
|
Metric(cm) |
| Height |
|
|
|
| Width |
|
|
|
| Depth |
|
|
|
| Diameter |
|
|
|
