(source: http://www.christies.com/)
AST0443
Qibla indicator, lid
(Repro ID: D9032 © National Maritime Museum, Greenwich,
London)
AST0443
Qibla indicator
(Repro ID: D9033 © National Maritime Museum, Greenwich,
London)
Astrolabe for determining the Qibla (source)
A typhical Iranian qibla indicators (source)