Artificial black glass horizon.

Artificial black glass horizon with fitted case, made by L

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Artificial black glass horizon with fitted case, made by L
Science Museum Group
© The Board of Trustees of the Science Museum

Artificial black glass horizon with fitted case, made by L.l Casella, Hatton Garden, City of London 1865-1871. Consisting of a circular brass base, weighted and gimballed in a square wooden box. The case is covered with a blackened glass plate serving as mirror.

Details

Category:
Navigation
Object Number:
1923-406
Materials:
brass (copper, zinc alloy), glass and wood (unidentified)
Measurements:
overall: 67 mm x 100 mm x 97 mm, .48kg
type:
artificial horizon - glass
credit:
C F Casella & Company