Calshot lightship off Southampton Water.

Calshot Lightship.

Repro ID: H3118

Description: Trinity House's Calshot Lightship was located in the Solent. Like lighthouses and buoys, lightships were navigational aids. The lights at the top of their masts were similar to those in lighthouses, but their portability made them much more versatile.

Creator: Unknown

Date: October 1906

Credit line: National Maritime Museum, London. Parsons Collection.