New Air Raid Warning System
1943
1943
1943
1943
1942
1942
1845
1859-06
circa 1860
circa 1784
circa 1867
circa 1881-1882
circa 1829-1832
circa 1825
circa 1883
circa 1910
circa 1910
circa 1910
circa 1910
circa 1910
1917-05-14
1917-05-14
1917-05-14
1902-10
1902-10
1902-10
1902-10
circa 1910
undated
undated
1857
circa 1673
circa 1885
circa 1890
circa 1861-1865
circa 1861-1865
1749-1751
circa 1860
1904
circa 1873
circa 1873
circa 1873
circa 1873
circa 1900
circa 1900
circa 1905
1985
1918-1920
circa 1900
1896-04
1878
early 20th century
1825
circa late 18th century
1861-04-21
1862-09-08
circa 1840
circa 1835
circa 1840
circa 1810-1815
circa 1860