Ceolostat, mirror cell and polar axis

Mirror cell mounted on polar axis from Wilfrid Hall's ceolostat.

ID:	AST1195.3
Type:	Ceolostat, mirror cell and polar axis
Display location:	Not on display
Creator:	Unknown
Date made:	Unknown
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 200 x 530 x 330 mm
Parts:	Coelostat Ceolostat, clock (AST1195.1) Ceolostat, equatorial mounting (AST1195.2) Ceolostat, mirror cell and polar axis (AST1195.3) Ceolostat, drive sector (AST1195.4) Ceolostat, mirror cover (AST1195.5)