Axis (of a fixed lens)

From International Dictionary of Marine Aids to Navigation
Jump to: navigation, search

2-2-115

The vertical line comprising the axes of revolution of the belt and rings composing the fixed lens. (Fig. 16b)

Ch2 Fig16b.jpg




Please note that this is the term as it stands in the original IALAInternational Association of Marine Aids to Navigation and Lighthouse Authorities - AISM Dictionary edition (1970-1989)