Lantern ledgers

Eight ledgers for lamps W1986-56 from the National Physical Laboratory.

ID:	EQA0652
Collection:	Ship equipment; Machinery and fittings
Type:	Lantern ledgers
Display location:	Not on display
Credit:	National Maritime Museum, Greenwich, London
Parts:	Lantern ledgers 190 Ships Lights (Lantern ledger) (EQA0652.1) 195 Ships Lights (Lantern ledger) (EQA0652.2) 198 Ships' Lights 1925 (Lantern ledger) (EQA0652.3) Admiralty Ships' Lights (Lantern ledger) (EQA0652.4) Ships' Lights (Lantern ledger) (EQA0652.5) Ships' Lights (Lantern ledger) (EQA0652.6) Ships' Lights (Lantern ledger) (EQA0652.7) Reports (Lantern ledger) (EQA0652.8)