Ten Pound Island (Massachusetts)
Historical Light List Characteristics
| 1839 | F W. | USLHE Light List (US): 43 |
| 1849 | F W. W13. | USLHE Light List (US): 46 |
| 1858 | F W. W12. | LHB Light List (US): 58 |
| 1860 | LHB Light List (US): 51 | |
| 1865-1866 | LHB Light List (All Coasts): 51 | |
| 1868 | ||
| 1870 | F W. W13. | LHB Light List (All Coasts): 54 |
| 1878-1879 | F W. W11. | LHB Light List (All Coasts): 67 |
| 1886 | ||
| 1888 | LHB Light List (All Coasts): 69 | |
| 1893 | Fl W 5s. W12. | LHB Light List (Atlantic): 77 |
| 1898 | LHB Light List (Atlantic): 89 | |
| 1899 | LHB Light List (Atlantic): 91 | |
| 1905 | LHB Light List (Atlantic): 94 | |
| 1908 | LHB Light List (Atlantic): 98 | |
| 1915 | FFl W 5s. F9, Fl12. fl 0.6. | USLHS Light List (Atlantic): 112 |
| 1917 | USLHS Light List (Atlantic): 119 | |
| 1920 | USLHS Light List (Atlantic): 120 | |
| 1927 | Iso R 10s. R12. | USLHS Light List (Atlantic): 126 |
| 1931 | USLHS Light List (Atlantic): 128 | |
| 1935 | USLHS Light List (Atlantic): 136 | |
| 1940 | USCG Light List (Atlantic): 153 | |
| 1943 | USCG Light List (Atlantic): 202 | |
| 1945-1947 | Fl R 6s. R12. fl 2. | |
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 251 | |
| 1957 | Fl R 6s. R12. fl 2. | USCG Light List - Vol. I-VI: 251 |
| 1959-1960 | USCG Light List - Vol. I-V: 273 | |
| 1961 | USCG Light List - Vol. I: 273 | |
| 1963-1965 | ||
| 1966 | USCG Light List - Vol. I: 404 | |
| 1969-1972 | Iso R 6s. R12. | |
| 1973-1979 | Iso R 6s. R5. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 9730 | |
| 1990-1992 | Iso R 6s. R5. | USCG Light List - Vol. I: 9495 |
| 1993-1996 | USCG Light List - Vol. I: 9895 | |
| 2004 |
Historical Light List Optics and Structures
| 1839 | 8 Lamps / 14" Refl. | 20 | 45 | N/A | USLHE Light List (US): 43 |
| 1849 | 6 Lamps / 14" Refl. | USLHE Light List (US): 46 | |||
| 1858 | 6th | 24 | 49 | Stone tower. | LHB Light List (US): 58 |
| 1860 | N/A | LHB Light List (US): 51 | |||
| 1865-1866 | Octagonal tower. Black lantern. | LHB Light List (All Coasts): 51 | |||
| 1868 | |||||
| 1870 | 25 | 50 | LHB Light List (All Coasts): 54 | ||
| 1878-1879 | Octagonal white tower, lantern, black; short covered way to front door of one-story white house. | LHB Light List (All Coasts): 67 | |||
| 1886 | Round brown tower; lantern, black. White dwelling E. of tower. | ||||
| 1888 | Round brown tower; lantern, black. White dwelling east of tower. | LHB Light List (All Coasts): 69 | |||
| 1893 | 431/2 | Round brown tower; lantern, black. White dwelling E. of tower. | LHB Light List (Atlantic): 77 | ||
| 1898 | LHB Light List (Atlantic): 89 | ||||
| 1899 | LHB Light List (Atlantic): 91 | ||||
| 1905 | Brown conical tower; lantern, black. White dwelling E. of tower. | LHB Light List (Atlantic): 94 | |||
| 1908 | Brown conical tower; black lantern; white dwelling and white-stone oilhouse 133 feet E'ly of tower. | LHB Light List (Atlantic): 98 | |||
| 1915 | N/A | 30 | 44 | Brown, conical tower. | USLHS Light List (Atlantic): 112 |
| 1917 | Brown conical tower. | USLHS Light List (Atlantic): 119 | |||
| 1920 | USLHS Light List (Atlantic): 120 | ||||
| 1927 | USLHS Light List (Atlantic): 126 | ||||
| 1931 | 5 ei | USLHS Light List (Atlantic): 128 | |||
| 1935 | USLHS Light List (Atlantic): 136 | ||||
| 1940 | 5 e | N/A | USCG Light List (Atlantic): 153 | ||
| 1943 | USCG Light List (Atlantic): 202 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 251 | |||
| 1957 | N/A | N/A | 44 | White pyramidal tower. | USCG Light List - Vol. I-VI: 251 |
| 1959-1960 | USCG Light List - Vol. I-V: 273 | ||||
| 1961 | USCG Light List - Vol. I: 273 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 404 | ||||
| 1969-1971 | 52 | Red and white checkered diamond daymark on skeleton tower on concrete house. | |||
| 1972-1979 | NR on skeleton tower on concrete house. | ||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 9730 | ||||
| 1990-1991 | N/A | N/A | 44 | White pyramidal tower. | USCG Light List - Vol. I: 9495 |
| 1992 | 57 | ||||
| 1993-1996 | USCG Light List - Vol. I: 9895 | ||||
| 2004 | White conical tower. |
Historical Light List Audible Fog Signals
| 1858 | None | None | LHB Light List (US): 58 |
| 1860 | LHB Light List (US): 51 | ||
| 1865-1866 | LHB Light List (All Coasts): 51 | ||
| 1868 | |||
| 1870 | LHB Light List (All Coasts): 54 | ||
| 1878-1879 | LHB Light List (All Coasts): 67 | ||
| 1886 | |||
| 1888 | LHB Light List (All Coasts): 69 | ||
| 1893 | LHB Light List (Atlantic): 77 | ||
| 1898 | LHB Light List (Atlantic): 89 | ||
| 1899 | LHB Light List (Atlantic): 91 | ||
| 1905 | LHB Light List (Atlantic): 94 | ||
| 1908 | LHB Light List (Atlantic): 98 | ||
| 1915 | USLHS Light List (Atlantic): 112 | ||
| 1917 | USLHS Light List (Atlantic): 119 | ||
| 1920 | USLHS Light List (Atlantic): 120 | ||
| 1927 | USLHS Light List (Atlantic): 126 | ||
| 1931 | BELL; gp. 2 strokes every 30 sec. | USLHS Light List (Atlantic): 128 | |
| 1935 | USLHS Light List (Atlantic): 136 | ||
| 1940 | BELL; group of 2 strokes every 30 sec. | USCG Light List (Atlantic): 153 | |
| 1943 | USCG Light List (Atlantic): 202 | ||
| 1945-1947 | |||
| 1950 | BELL; group of 2 strokes every 131/2 sec. | ||
| 1951-1952 | BELL, electric; group of 2 strokes every 131/2 sec. | ||
| 1953-1955 | BELL: gp of 2 strokes ev 131/2s. | USCG Light List - Vol. I-VI: 251 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 273 | ||
| 1961 | USCG Light List - Vol. I: 273 | ||
| 1963-1965 | BELL: gp of 2 strokes ev 15s. | ||
| 1966 | USCG Light List - Vol. I: 404 | ||
| 1969 | HORN, diaphragm; 2 blasts ev 20s (2sbl-2ssi-2sbl-14ssi). | ||
| 1970-1972 | HORN, diaphragm, 2 blasts ev 20s (2sbl-2ssi-2sbl-14ssi). | ||
| 1973-1975 | HORN, 2 blasts ev 20s (2sbl-2ssi-2sbl-14ssi). | ||
| 1976-1979 | HORN: 2 blasts ev 20s (2sbl-2ssi-2sbl-14ssi). | ||
| 1982 | HORN: 2 blasts ev 20s (2s bl-2s si-2s bl-14s si). | ||
| 1987 | HORN: 2 blasts ev 20s (2s bl-2s si-2s bl-14s si). | USCG Light List - Vol. I: 9730 | |
| 1990-1992 | USCG Light List - Vol. I: 9495 | ||
| 1993-1996 | USCG Light List - Vol. I: 9895 | ||
| 2004 | HORN: 2 blasts ev 20s (2s bl-2s si-2s bl-14s si). |
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1821 - Present (Exact location of current historical 1881 lighthouse. Location of original 1821 lighthouse is assumed to be close. Location of 1956 and 1968 modern lighthouses assumed to be near.) |
