Lunar Longitude calculator for determining true angular separation between two celestial bodies [usually star & Moon]. Invented by M. Hue, professor D'Hydrographie and made by J.Salleron, Paris, 1880-1885.
Details
- Category:
- Astronomy
- Object Number:
- 1999-851
- Materials:
- wood (unidentified), brass (copper, zinc alloy), paper (fibre product) and complete
- Measurements:
-
depth: 450mm
height: 30mm
width: 440mm
overall (laid flat): 35 mm x 430 mm x 450 mm, 2.822 kg
- type:
- astronomical calculator
- credit:
- Purchased