Doubling Point (Maine)
Historical Light List Characteristics
| 1898-1899 | F R. | LHB Light List (Atlantic): 57 |
| 1905 | F R. R81/2. | LHB Light List (Atlantic): 58 |
| 1908 | LHB Light List (Atlantic): 60 | |
| 1915 | F R. | USLHS Light List (Atlantic): 69 |
| 1917 | USLHS Light List (Atlantic): 73 | |
| 1920 | ||
| 1927 | USLHS Light List (Atlantic): 75 | |
| 1931 | USLHS Light List (Atlantic): 74 | |
| 1935 | Fl W 5s. fl 0.5. | |
| 1940 | USCG Light List (Atlantic): 87 | |
| 1943 | USCG Light List (Atlantic): 104 | |
| 1945-1947 | Fl W 4s. fl 0.4. | |
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 189 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 197 | |
| 1961 | USCG Light List - Vol. I: 197 | |
| 1963-1965 | ||
| 1966 | Fl W 4s. W10. | USCG Light List - Vol. I: 313 |
| 1969-1972 | ||
| 1973-1977 | Fl W 4s. W11. | |
| 1978-1979 | Fl W 4s. W8. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 6365 | |
| 1990-1992 | Fl W 4s. W9. | USCG Light List - Vol. I: 6010 |
| 1993-1996 | USCG Light List - Vol. I: 6145 | |
| 2004 |
Historical Light List Optics and Structures
| 1898-1899 | Lens Lantern | 17 | 33 | White, octagonal, pyramidal, shingled tower; black lantern; white dwelling 250 feet N. by W., white barn 388 feet N. 3/4 W., and white, square, pyramidal, shingled fog-bell tower 44 feet NNW. from tower. | LHB Light List (Atlantic): 57 |
| 1905 | White, octagonal, pyramidal, shingled tower, on square, gray, granite pier; black lantern; footbridge from pier to shore; fog-bell suspended from westerly side of tower; white dwelling, with white barn and white fuel house near, 220 feet northeasterly, and a white boathouse about 400 feet northerly from tower. | LHB Light List (Atlantic): 58 | |||
| 1908 | 5th | White, octagonal, pyramidal, shingled tower, on square, gray, granite pier; black lantern; footbridge from pier to shore; fog-bell suspended from W'ly side of tower; white dwelling, with white barn and white fuelhouse near, 220 feet NE'ly, and a white boathouse about 400 feet N'ly from tower. | LHB Light List (Atlantic): 60 | ||
| 1915 | N/A | 22 | White; octagonal, pyramidal tower on gray pier; footbridge to shore. | USLHS Light List (Atlantic): 69 | |
| 1917 | 34 | 23 | USLHS Light List (Atlantic): 73 | ||
| 1920 | |||||
| 1927 | USLHS Light List (Atlantic): 75 | ||||
| 1931 | 5 o | White, octagonal, pyramidal tower on gray pier; footbridge to shore. | USLHS Light List (Atlantic): 74 | ||
| 1935 | 5 a | ||||
| 1940 | N/A | White octagonal tower on gray pier; footbridge to shore. | USCG Light List (Atlantic): 87 | ||
| 1943 | USCG Light List (Atlantic): 104 | ||||
| 1945-1946 | |||||
| 1947 | White octagonal tower on square gray pier; footbridge to shore. | ||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 189 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 197 | ||||
| 1961 | USCG Light List - Vol. I: 197 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 313 | ||||
| 1969-1979 | |||||
| 1982 | White octagonal tower on gray pier, footbridge to shore. | ||||
| 1987 | White octagonal tower on square pier, footbridge to shore. | USCG Light List - Vol. I: 6365 | |||
| 1990-1992 | White octagonal tower on gray pier, footbridge to shore. | USCG Light List - Vol. I: 6010 | |||
| 1993-1996 | USCG Light List - Vol. I: 6145 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1898-1899 | Bell struck by machinery every 15 sec. | None | LHB Light List (Atlantic): 57 |
| 1905 | LHB Light List (Atlantic): 58 | ||
| 1908 | Bell struck by machinery a single blow every 15 sec. | LHB Light List (Atlantic): 60 | |
| 1915 | Bell; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 69 | |
| 1917 | USLHS Light List (Atlantic): 73 | ||
| 1920 | |||
| 1927 | Bell (1,000-lb.); 1 stroke every 15 sec. | USLHS Light List (Atlantic): 75 | |
| 1931 | BELL; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 74 | |
| 1935 | |||
| 1940 | USCG Light List (Atlantic): 87 | ||
| 1943 | USCG Light List (Atlantic): 104 | ||
| 1945-1947 | |||
| 1950-1952 | |||
| 1953-1955 | BELL: 1 stroke ev 15s. | USCG Light List - Vol. I-VI: 189 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 197 | ||
| 1961 | USCG Light List - Vol. I: 197 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 313 | ||
| 1969 | |||
| 1970 | HORN, diaphragm; 1 blast ev 15s (2sbl). | ||
| 1971-1979 | BELL: 1 stroke ev 15s. | ||
| 1982 | BELL: 1 stroke ev 15s. | ||
| 1987 | BELL: 1 stroke ev 10s. | USCG Light List - Vol. I: 6365 | |
| 1990-1992 | None | USCG Light List - Vol. I: 6010 | |
| 1993-1996 | USCG Light List - Vol. I: 6145 | ||
| 2004 |
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1898 - Present |