Pond Island (Maine)
Historical Light List Characteristics
| 1839 | F W. | USLHE Light List (US): 8 |
| 1849 | F W. W13. | |
| 1858 | LHB Light List (US): 40 | |
| 1860 | LHB Light List (US): 34 | |
| 1865-1866 | LHB Light List (All Coasts): 34 | |
| 1868 | ||
| 1870 | LHB Light List (All Coasts): 35 | |
| 1878-1879 | LHB Light List (All Coasts): 43 | |
| 1886 | LHB Light List (All Coasts): 42 | |
| 1888 | LHB Light List (All Coasts): 44 | |
| 1893 | F W. W123/4. | LHB Light List (Atlantic): 51 |
| 1898-1899 | LHB Light List (Atlantic): 52 | |
| 1905 | ||
| 1908 | LHB Light List (Atlantic): 54 | |
| 1915 | F W. W10. | USLHS Light List (Atlantic): 62 |
| 1917 | USLHS Light List (Atlantic): 66 | |
| 1920 | ||
| 1927 | USLHS Light List (Atlantic): 68 | |
| 1931 | USLHS Light List (Atlantic): 67 | |
| 1935 | ||
| 1940 | F W. W12. | USCG Light List (Atlantic): 79 |
| 1943 | USCG Light List (Atlantic): 96 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 182 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 189 | |
| 1961 | Iso W 4s. W12. | USCG Light List - Vol. I: 189 |
| 1963-1965 | ||
| 1966 | Iso W 4s. W13. | USCG Light List - Vol. I: 305 |
| 1969 | ||
| 1970-1972 | Iso W 6s. W13. | |
| 1973-1979 | Iso W 6s. W9. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 6245 | |
| 1990-1992 | USCG Light List - Vol. I: 5890 | |
| 1993-1996 | USCG Light List - Vol. I: 6025 | |
| 2004 |
Historical Light List Optics and Structures
| 1839 | 8 Lamps / 14" Refl. | 12 | 52 | The tower is erected on the keeper's dwelling. | USLHE Light List (US): 8 |
| 1849 | 13 | N/A | |||
| 1858 | 5th | 18 | 54 | LHB Light List (US): 40 | |
| 1860 | LHB Light List (US): 34 | ||||
| 1865 | LHB Light List (All Coasts): 34 | ||||
| 1866 | |||||
| 1868 | |||||
| 1870 | Tower of brick, whitewashed, connected with dwelling by brick work-room. Dwelling, a story and one-half building, painted brown. | LHB Light List (All Coasts): 35 | |||
| 1878 | Tower of brick, whitewashed, connected with dwelling by brick work-room. Dwelling a one and half story building, painted white. | LHB Light List (All Coasts): 43 | |||
| 1879 | Tower of brick, whitewashed, connected with dwelling by brick work-room, whitewashed. Dwelling a one and half story building, painted white. | ||||
| 1886 | White tower and dwelling, connected by a work-room. | LHB Light List (All Coasts): 42 | |||
| 1888 | White tower and dwelling, connected by a work-room. Fog-bell hung from frame-work, 200 feet S. of tower. | LHB Light List (All Coasts): 44 | |||
| 1893 | 20 | White tower and dwelling, connected by a workroom. Fog bell hung from framework, 200 feet S. of tower. | LHB Light List (Atlantic): 51 | ||
| 1898-1899 | 161/2 | 52 | LHB Light List (Atlantic): 52 | ||
| 1905 | |||||
| 1908 | White tower and dwelling, connected by a workroom; fog bell hung from framework, 200 feet S'ly, and red-brick oilhouse 161 feet NW'ly from light-tower. | LHB Light List (Atlantic): 54 | |||
| 1915 | N/A | 22 | White; tower connected to dwelling. | USLHS Light List (Atlantic): 62 | |
| 1917 | 23 | USLHS Light List (Atlantic): 66 | |||
| 1920 | |||||
| 1927 | USLHS Light List (Atlantic): 68 | ||||
| 1931 | 5 o | White tower connected to dwelling. | USLHS Light List (Atlantic): 67 | ||
| 1935 | 5 om | ||||
| 1940 | N/A | USCG Light List (Atlantic): 79 | |||
| 1943 | USCG Light List (Atlantic): 96 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 182 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 189 | ||||
| 1961 | USCG Light List - Vol. I: 189 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 305 | ||||
| 1969-1979 | White tower. | ||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 6245 | ||||
| 1990-1992 | USCG Light List - Vol. I: 5890 | ||||
| 1993-1996 | USCG Light List - Vol. I: 6025 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1858 | Fog-bell | None | LHB Light List (US): 40 |
| 1860 | LHB Light List (US): 34 | ||
| 1865-1866 | Fog-bell struck by machinery. | LHB Light List (All Coasts): 34 | |
| 1868 | |||
| 1870 | A bell struck by machinery. | LHB Light List (All Coasts): 35 | |
| 1878 | LHB Light List (All Coasts): 43 | ||
| 1879 | A bell struck by hand. | ||
| 1886 | Bell struck by machinery seven times a minute. | LHB Light List (All Coasts): 42 | |
| 1888 | LHB Light List (All Coasts): 44 | ||
| 1893 | LHB Light List (Atlantic): 51 | ||
| 1898-1899 | Bell struck by machinery every 10 sec. | LHB Light List (Atlantic): 52 | |
| 1905 | |||
| 1908 | Bell struck by machinery a single blow every 10 sec. | LHB Light List (Atlantic): 54 | |
| 1915 | Bell; 1 stroke every 10 sec. | USLHS Light List (Atlantic): 62 | |
| 1917 | USLHS Light List (Atlantic): 66 | ||
| 1920 | |||
| 1927 | Bell (1,000-lb.); 1 stroke every 10 sec. | USLHS Light List (Atlantic): 68 | |
| 1931 | BELL; 1 stroke every 10 sec. | USLHS Light List (Atlantic): 67 | |
| 1935 | |||
| 1940 | USCG Light List (Atlantic): 79 | ||
| 1943 | USCG Light List (Atlantic): 96 | ||
| 1945-1947 | |||
| 1950-1952 | |||
| 1953-1955 | BELL: 1 stroke ev 10s. | USCG Light List - Vol. I-VI: 182 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 189 | ||
| 1961 | HORN, diaphragm; 1 blast ev 20s (2sbl). | USCG Light List - Vol. I: 189 | |
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 305 | ||
| 1969-1970 | |||
| 1971-1972 | HORN, diaphragm; 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | ||
| 1973-1975 | HORN, 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | ||
| 1976-1979 | HORN: 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | ||
| 1982 | HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). | ||
| 1987 | HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). | USCG Light List - Vol. I: 6245 | |
| 1990-1992 | USCG Light List - Vol. I: 5890 | ||
| 1993-1996 | USCG Light List - Vol. I: 6025 | ||
| 2004 | HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). |
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1821 - Present (Exact location of current 1855 lighthouse. Locations of original 1821 and 1835 lighthouses are assumed to be close.) |