W: What Is A Lighthouse? - Index of Pages

W00: What Is A Lighthouse?
W01. Terminology
W02. Navigational Aids
W03. Beacons
W04. Towards A Definition
W05. A New Definition
W07. Classifications
W08. Daymarks
W09. Floating Aids
W10. Summary
W11. References
W12. Table 1: Examples of Different lighthouse Descriptions
W13. Figure 1: A Venn diagram to summarise the constructional properties of navigational aids.