Spring Point Ledge (Maine)
Historical Light List Characteristics
Historical Light List Optics and Structures
1898 | 5th | N/A | 54 | Black cylindrical foundation surmounted by a conical brick tower, painted white, with a white watchroom and black lantern. A gallery with roof surrounds the base of the tower. | LHB Light List (Atlantic): 64 |
1899 | LHB Light List (Atlantic): 65 | ||||
1905 | Black cylindrical foundation surmounted by a white, conical, brick tower, painted white, with a white watchroom and black lantern. A gallery with roof surrounds the base of the tower. | LHB Light List (Atlantic): 70 | |||
1908 | Black cylindrical foundation surmounted by a white, conical, brick tower, painted white, with a white watchroom and black lantern; a gallery with roof surrounds the base of the tower. | LHB Light List (Atlantic): 72 | |||
1915 | N/A | Black cylindrical foundation, white conical tower. | USLHS Light List (Atlantic): 84 | ||
1917 | White conical tower, on black cylindrical pier. | USLHS Light List (Atlantic): 89 | |||
1920 | USLHS Light List (Atlantic): 88 | ||||
1927 | USLHS Light List (Atlantic): 91 | ||||
1931 | 5 o | White conical tower on black cylindrical pier. | USLHS Light List (Atlantic): 92 | ||
1935 | 5 ei | ||||
1940 | 5 e | USCG Light List (Atlantic): 103 | |||
1943 | USCG Light List (Atlantic): 135 | ||||
1945-1947 | |||||
1950-1952 | |||||
1953-1955 | N/A | White conical tower on black cylindrical pier, on end of breakwater. | USCG Light List - Vol. I-VI: 215 | ||
1957 | |||||
1959-1960 | USCG Light List - Vol. I-V: 229 | ||||
1961 | USCG Light List - Vol. I: 229 | ||||
1963-1965 | |||||
1966 | USCG Light List - Vol. I: 347 | ||||
1969-1979 | |||||
1982 | |||||
1987 | USCG Light List - Vol. I: 7820 | ||||
1990-1992 | USCG Light List - Vol. I: 7465 | ||||
1993-1996 | USCG Light List - Vol. I: 7610 | ||||
2004 |
Historical Light List Audible Fog Signals
1898 | Bell struck by hand a double blow every 12 sec. | None | LHB Light List (Atlantic): 64 |
1899 | LHB Light List (Atlantic): 65 | ||
1905 | LHB Light List (Atlantic): 70 | ||
1908 | LHB Light List (Atlantic): 72 | ||
1915 | Bell; 2 strokes every 12 sec. | USLHS Light List (Atlantic): 84 | |
1917 | Bell; gp. 2 strokes every 12 sec. | USLHS Light List (Atlantic): 89 | |
1920 | USLHS Light List (Atlantic): 88 | ||
1927 | Bell (1,200-lb.); gp. 2 strokes every 12 sec. | USLHS Light List (Atlantic): 91 | |
1931 | BELL; gp. 2 strokes every 12 sec. | USLHS Light List (Atlantic): 92 | |
1935 | |||
1940 | BELL; group of 2 strokes every 12 sec. | USCG Light List (Atlantic): 103 | |
1943 | USCG Light List (Atlantic): 135 | ||
1945-1947 | |||
1950-1952 | |||
1953-1955 | BELL: gp of 2 strokes ev 12s. | USCG Light List - Vol. I-VI: 215 | |
1957 | |||
1959-1960 | USCG Light List - Vol. I-V: 229 | ||
1961 | USCG Light List - Vol. I: 229 | ||
1963-1965 | |||
1966 | USCG Light List - Vol. I: 347 | ||
1969-1970 | BELL: 2 strokes ev 12s. | ||
1971-1972 | HORN, diaphragm; 1 blast ev 10s (1sbl). | ||
1973-1975 | HORN, 1 blast ev 10s (1sbl). | ||
1976-1979 | HORN: 1 blast ev 10s (1sbl). | ||
1982 | HORN: 1 blast ev 10s (1s bl). | ||
1987 | HORN: 1 blast ev 10s (1s bl). | USCG Light List - Vol. I: 7820 | |
1990-1992 | USCG Light List - Vol. I: 7465 | ||
1993-1996 | USCG Light List - Vol. I: 7610 | ||
2004 | HORN: 1 blast ev 10s (1s bl). |
1897 - Present |