7,488
edits
m
no edit summary
mNo edit summary |
mNo edit summary |
||
| Line 38: | Line 38: | ||
=== 1800’s === | === 1800’s === | ||
*The Napoleonic Wars made it necessary for the king to mortgage the royal cobalt mine called | *The Napoleonic Wars made it necessary for the king to mortgage the royal cobalt mine called Blaafarveværket to the Swedish merchant Peter Wilhelm Berg. In 1821 the mine was sold to a German-English consortium. The mine became Norway’s largest industry (until 1848) and the world’s largest producer of cobalt blue. | ||
*1842 - After the fire in Hamburg, Germany, stone from Grefsen and Grorud in Oslo were exported for use as bridges, stairs, building blocks, etc. | *1842 - After the fire in Hamburg, Germany, stone from Grefsen and Grorud in Oslo were exported for use as bridges, stairs, building blocks, etc. | ||
*1870’s - Iddefjord granite dominated as a building material especially for bridges and streets. | *1870’s - Iddefjord granite dominated as a building material especially for bridges and streets. | ||