The Glossary of Lighthouse Optics Terminology is a cd-rom on which over 100 terms used to describe lighthouse optics are collected. Many of the definitions are backed up by detailed coloured images to help identification particulary of the more obscure items of equipment. The cd contains a high resolution file suitable for good quality colour printing, and a lower resolution file to browse through the same information on your screen. The lower resolution file has a clickable index and cross links to jump directly between related subjects.
Click here for a sample page
Click here for the cd index