Månedsarkiv: november 2010

Kølen – fra imprægnering til frysetørring i facon

Abstract
We have the shape of the ship and its keelson – the information required for giving the keelson its correct shape before vacuum freeze-drying. The 8 parts have been impregnated for 10 years in Polyethyleneglycol 2000 and are now ready for the drying process. Our blacksmith, Lotte, has prepared the iron bars with “forks” to fit the individual pieces. Each part is fixed in the right shape, wrapped in plastic before freezing. After freezing, they are unwrapped and vacuum freeze dried for 5 months in the drying chamber. Læs resten

Udgivet i Vanddrukkent træ | Tagget , , , , , , , | Skriv en kommentar

Ravperler fra Stenalderen genvinder farven

Skrevet af Siri Wahlstrøm, Natasa Pokupcic og Anne Moesgaard     Nationalmuseet har en meget stor samling af rav fra Oldtiden, som spænder fra Stenalder til Vikingetid med alt fra rå ubearbejdede klumper til de fineste perler og ornamenterede vedhæng. … Læs resten

Udgivet i Rav | Tagget , , , | 3 kommentarer