The Lighthouse Encyclopedia pdf epub mobi txt 電子書 下載2025

Who was Augustine Fresnel? What is a clamshell lens? When was the Cape Hatteras Lighthouse moved inland? Where were screw-pile towers used? What is a daymark? Lighthouse lovers and anyone interested in maritime history will find the answers to these and hundreds of other questions in "The Encyclopedia of Lighthouses," This one-stop resource offers an amazing wealth of information about the history of lighthouses, key people associated with lighthouses, lighthouse technology, lighthouse organizations, and specific lighthouses. Organized in traditional encyclopedia style, this predominantly A-to-Z compendium of information allows readers to easily find the historical fact, famous lighthouse keeper, or lighthouse mechanism they are looking for and then read the pertinent details about that topic. Following is a small sampling of entries covered: Breakwater lightCaissonHyper-radiant lensWinslow LewisLightshipsMercury bathStephen PleasontonRear range lightSteamer lanternEclipsing light In addition, a directory of more than 150 lighthouses throughout the world provides key data--date built, tower height, elevation, type of optic, when automated--about each lighthouse plus full details about the lighthouse's history, wartime significance, and current restoration. Hundreds of beautiful full-color photos of the lighthouses enhance the text, and fascinating archival images of lighthouse keepers, famous lighthouses as they looked in their early years, hurricane wreckage, and other events of historic significance help bring to life the dramatic lighthouse story. Sidebars on subjects such as lighthouse preservation, lighthouse collectibles, andphotographing lighthouses also enliven the main text. This authoritative, visually lavish reference is the only one of its kind and an essential resource for anyone interested in lighthouses.