Artificial roof horizon mercury jar lid

Lid for the artificial roof horizon jar.

ID:	NAV0005.5
Type:	Artificial roof horizon mercury jar lid
Display location:	Not on display
Credit:	National Maritime Museum, Greenwich, London, Adams Collection
Parts:	Roof artificial horizon (Artificial Mercurial Horizon) Artificial roof horizon box (NAV0005.1) Artificial roof horizon tray (NAV0005.2) Artificial roof horizon hood (NAV0005.3) Artificial roof horizon mercury jar (NAV0005.4) Artificial roof horizon mercury jar lid (NAV0005.5) Artificial roof horizon tray disc (NAV0005.6) Artificial roof horizon box part (NAV0005.7)