Dipleidoscope for observing time of apparent noon
Dipleidoscope, plain type, for observing time of apparent noon
Details
- Category:
- Time Measurement
- Object Number:
- 1876-1021
- Materials:
- portable, metal, glass, inscription, engraved, prismatic lens, solar orientation and projector (image projector)
- type:
- dipleidoscope
- credit:
- E. Dent and Company
