CISa imageBack Block Island Southeast Light NEXTNext
Block Island Southeast Lighthouse's 1929 First Order Fresnel lens Plan Page 1
Block Island Southeast Lighthouse's 1929 First Order Fresnel lens Plans Page 1
 Courtesy of the Library of Congress and Historic American Engineering Record
CISa imageBack Block Island Southeast Light NEXTNext
Block Island Southeast Lighthouse's 1929 First Order Fresnel lens Plans Page 1