Lighthouse Technology: Fresnel Lens
Welcome to our newest blog series where we will examine the technological innovations that improved lighthouses and made coastlines around the world safer. Each installment of the blog series will cover an invention or technological application introduced at the St. Augustine Lighthouse in its history. This first installment will focus on the powerhouse of the lighthouse – the first order Fresnel lens. Lighthouse Illumination The first lighthouses, as we recognize them now, were simply bonfires [...]