Fuse wire and instructions issued by NORWEB
1940-1960
1940-1960
1950-1970
1860-1870
circa 1943
1960
1755-1765
c.1850
1954-10-21
1992
1970
1967-12
1968-04-05
1957-04-02
2001-02-14
1896
1861-1880
1861-1880
1861-1880
1982
circa 1960
circa 1948
-1882
1980-1988
2000-08-09
1861-1880
circa 1984