Bishop and Clerks (Massachusetts)
Historical Light List Characteristics
| 1860 | Fl W 30s. W14. | LHB Light List (US): 81 |
| 1865-1866 | LHB Light List (All Coasts): 81 | |
| 1868 | ||
| 1870 | Fl W 30s. W13. | LHB Light List (All Coasts): 83 |
| 1878-1879 | LHB Light List (All Coasts): 107 | |
| 1886 | LHB Light List (All Coasts): 108 | |
| 1888 | LHB Light List (All Coasts): 111 | |
| 1893 | Fl WR 30s. W13, R13. Red sector between N. 1/2 W. and NNE. 1/2 E. | LHB Light List (Atlantic): 122 |
| 1898 | LHB Light List (Atlantic): 149 | |
| 1899 | LHB Light List (Atlantic): 153 | |
| 1905 | LHB Light List (Atlantic): 164 | |
| 1908 | LHB Light List (Atlantic): 172 | |
| 1915 | Fl WR 30s. W13, R12. fl 7. W016°-342°(326°), R342°-016°(34°). | USLHS Light List (Atlantic): 216 |
| 1917 | USLHS Light List (Atlantic): 222 | |
| 1920 | USLHS Light List (Atlantic): 228 | |
| 1927 | Fl W 10s. W12. fl 2. | USLHS Light List (Atlantic): 229 |
| 1931 | USLHS Light List (Atlantic): 270 | |
| 1935 | USLHS Light List (Atlantic): 290 | |
| 1940 | USCG Light List (Atlantic): 285 | |
| 2004 | Fl W 6s. W14. | USCG Light List - Vol. I: 14490 |
Historical Light List Optics and Structures
| 1860 | 4th | 47 | 59 | N/A | LHB Light List (US): 81 |
| 1865 | LHB Light List (All Coasts): 81 | ||||
| 1866 | |||||
| 1868 | |||||
| 1870 | LHB Light List (All Coasts): 83 | ||||
| 1878-1879 | Granite tower, with fog-bell tower attached to the west side. | LHB Light List (All Coasts): 107 | |||
| 1886 | Granite tower, with fog-bell tower attached to the W. side. | LHB Light List (All Coasts): 108 | |||
| 1888 | Gray granite tower, with fog-bell tower attached to the W. side. | LHB Light List (All Coasts): 111 | |||
| 1893 | 591/2 | 561/4 | Gray granite tower, with lead-colored fog-bell tower attached to the W. side; lantern, black. | LHB Light List (Atlantic): 122 | |
| 1898 | LHB Light List (Atlantic): 149 | ||||
| 1899 | LHB Light List (Atlantic): 153 | ||||
| 1905 | Gray granite tower, with lead-colored fog-bell tower attached to the westerly side; lantern, black. | LHB Light List (Atlantic): 164 | |||
| 1908 | Gray-granite tower, with lead-colored fog-bell tower attached to the W'ly side; black lantern. | LHB Light List (Atlantic): 172 | |||
| 1915 | N/A | 65 | 56 | Gray-granite tower; lead-colored bell tower attached. | USLHS Light List (Atlantic): 216 |
| 1917 | USLHS Light List (Atlantic): 222 | ||||
| 1920 | USLHS Light List (Atlantic): 228 | ||||
| 1927 | Gray-granite tower. | USLHS Light List (Atlantic): 229 | |||
| 1931 | 5 a | USLHS Light List (Atlantic): 270 | |||
| 1935 | Gray granite tower. | USLHS Light List (Atlantic): 290 | |||
| 1940 | N/A | USCG Light List (Atlantic): 285 | |||
| 2004 | N/A | N/A | 45 | White and red cylindrical tower. | USCG Light List - Vol. I: 14490 |
Historical Light List Audible Fog Signals
| 1860 | Bell | None | LHB Light List (US): 81 |
| 1865-1866 | LHB Light List (All Coasts): 81 | ||
| 1868 | |||
| 1870 | A bell | LHB Light List (All Coasts): 83 | |
| 1878-1879 | LHB Light List (All Coasts): 107 | ||
| 1886 | Bell struck by machinery every 15 sec. | LHB Light List (All Coasts): 108 | |
| 1888 | LHB Light List (All Coasts): 111 | ||
| 1893 | LHB Light List (Atlantic): 122 | ||
| 1898 | LHB Light List (Atlantic): 149 | ||
| 1899 | LHB Light List (Atlantic): 153 | ||
| 1905 | LHB Light List (Atlantic): 164 | ||
| 1908 | Bell struck by machinery a single blow every 15 sec. | LHB Light List (Atlantic): 172 | |
| 1915 | Bell; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 216 | |
| 1917 | USLHS Light List (Atlantic): 222 | ||
| 1920 | USLHS Light List (Atlantic): 228 | ||
| 1927 | USLHS Light List (Atlantic): 229 | ||
| 1931 | None | USLHS Light List (Atlantic): 270 | |
| 1935 | USLHS Light List (Atlantic): 290 | ||
| 1940 | USCG Light List (Atlantic): 285 | ||
| 2004 | USCG Light List - Vol. I: 14490 |
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1858 - Present (Exact location of current 1997 modern light. Location of 1858 lighthouse assumed to be the same. No lighthouse existed between 1952 and 1997.) |