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EUROPEAN TECHNICAL COMMITTEE 346 - CONSERVATION OF CULTURAL PROPERTY developed for the European Parliament, Directorate-General for European Panel on the Application of Science to Cultural Heritage, Bruxelles, October 2001. 5. V. Fassina, The influence of atmospheric pollution and past treatments on stone weathering mechansims of Venetian monuments, European Cultural Heritage Newsletter on Research, 1994, vol. 8, n.2, 23-35. 6. V. Fassina, M. Favaro, A. Naccari, Principal decay patterns on Venetian monuments, in Natural Stone, Weathering phenomena, Conservation Strategies and case Studies, eds. S. Siegesmund, A. Volbrecht and T. Weiss, The Geological Society, London, Special Publications, 205, 2002, pp. 381-391. 7. M. Favaro, C. Menichelli, L. Bassotto, V. Fassina, Preliminary results on the behaviour of restoration materials used in the past on monuments in relation to their durability and to decay processes case study: Porta della Carta in Venice, in 3 rd International Congress on Science and Technology for the safeguard of Cultural Heritage in the Mediterranean Basin, Alcala’ de Henares, July 9-14, 2001, Ed. A Guarino, 2002, pp. 204-209. 8. M. Favaro, S. Simon, C. Menichelli, V. Fassina, P.A. Vigato, The Four Virtues of the Porta della Carta, Ducal Palace, Venice-Assessment of preservation state and re-evaluation of the 1979 restoration, Studies in Conservation 50, 2005, pp. 109-127. 9. COM (98) 239, 27. Bruxelles, April 1998. 10. COM (96) 160, Bruxelles, 17 April 1996. 11. Community Action Plan in the field of Cultural Heritage, Council decision O.J. 94/C 235/01 Bruxelles. 12. European Spatial Development Perspective, 10 May 1999, Bruxelles. 258
THE WRECK OF VROUW MARIA - CURRENT SITUATION AND FUTURE PERSPECTIVES Eero Ehanti* The National Board of Antiquities of Finland, Maritime Archaeology Unit Hylkysaari, 00570 Helsinki, Finland Abstract The current condition of the almost complete wreck of the 18 th century merchant ship Vrouw Maria lying on the bottom of the Baltic Sea has been investigated and the physical, biological and chemical processes threatening it have been identified. The wood of the wreck appear to be in a good state of preservation and the environment is not immediately threatening to the materials. Due to the good condition of the hull and the artifacts of great cultural historical interest in it, there has been discussion about excavating the wreck or possibly even raising the whole hull. 1. Introduction In 1771 a Dutch merchant ship Vrouw Maria was on her way from Amsterdam to St. Petersburg. She passed the Danish straits and according to the entries of the Sound customs house of Denmark she was carrying typical goods for Dutch trade with Russia: sugar, dyestuff, zinc and other metals, cloths, coffee and foodstuffs. There were also art objects and valuable 16 th and 17 th century Dutch paintings, which were bought for the Russian Empress Catherine the Great from the auction of the estate of art collector Gerrit Braamcamp. [1] Fig. 1: Cat-head in the bow. Photo: Jouni Polkko Unfortunately, in a stormy night Vrouw Maria hit rocks in the South-western archipelago of Finland and eventually, after several days of salvage attempts, sunk. There had been time to salvage parts of the cargo, but the majority of it went down, including many of the paintings. Diplomatic correspondence between Russian and Swedish authorities on the lost ship and its cargo started immediately. There were attempts of salvaging the paintings, without success, and eventually the wreck was forgotten. [2] The ship’s story started emerging again in 1970’s through archive research. A Finnish researcher of maritime history, Dr. Christian Ahlström, found diplomatic letters concerning Vrouw Maria, and brought the story to the wider public. Thus Vrouw Maria became a legendary treasure ship and was searched for extensively, in vain for the time being. She was finally found with side scan sonar in 1999 * E-mail: eero.ehanti@nba.fi Joseph Gril (edited by), Wood Science for Conservation of Cultural Heritage –Braga 2008: Proceedings of the International Conference held by COST Action IE0601 (Braga - Portugal, 5-7 November 2008, ISBN 978-88-6453-157-1 (print) ISBN 978-88-6453-165-6 (online) © 2010 Firenze University Press
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Proceedings e report 67
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Wood science for conservation of cu
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SUMMARY Introduction ..............
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WOOD SCIENCE FOR CONSERVATION OF CU
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INTRODUCTION These proceedings of a
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(A) MATERIAL PROPERTIES
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SORPTION OF MOISTURE AND DIMENSIONA
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VIBRATIONAL PROPERTIES OF TROPICAL
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CREEP PROPERTIES OF HEAT TREATED WO
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MEASUREMENT OF THE ELASTIC PROPERTI
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ELASTIC PROPERTIES OF MINUTE SAMPLE
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4. Results Young's modulus (10^4 Mp
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PREDICTION OF LINEAR DIMENSIONAL CH
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DIMENSIONAL CHANGE OF UNRESTRICTED
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DIMENSIONAL CHANGE OF UNRESTRICTED
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AGEING OF WOOD - DESCRIBED BY THE A
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90 30 0 3,0E-03 - 2,0E 2,0E-03 - 1,
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4. Application HYGRO-LOCK INTEGRATI
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RESEARCH ON THE AGING OF WOOD IN RI
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RESEARCH ON THE AGING OF WOOD IN RI
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Xylarium Database RESEARCH ON THE A
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AGING WOOD FROM CULTURAL PROPERTIES
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AGING WOOD FROM CULTURAL PROPERTIES
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STRENGTH AND MOE OF POPLAR WOOD (PO
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STRENGTH AND MOE OF POPLAR WOOD ACR
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STRENGTH AND MOE OF POPLAR WOOD ACR
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PHOTODEGRADATION AND THERMAL DEGRAD
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ROMANIAN WOODEN CHURCHES WALL PAINT
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DISINFECTION AND CONSOLIDATION BY I
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3. Results and discussion WOOD SCIE
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FUNGAL DECONTAMINATION BY COLD PLAS
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STUDIES ON INSECT DAMAGES OF WOODEN
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TERMITE INFESTATION RISK IN PORTUGU
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BIODETERIORATION OF CULTURAL HERITA
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4. Causes of biodeterioration WOOD
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DEGRADATION OF MELANIN AND BIOCIDES
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MOULD ON ORGANS AND CULTURAL HERITA
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RESEARCH STUDY ON THE EFFECTS OF TH
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4. Methodology WOOD SCIENCE FOR CON
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NON DESTRUCTIVE IMAGING FOR WOOD ID
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METHODS OF NON-DESTRUCTIVE WOOD TES
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MEASUREMENT AND SIMULATION OF DIMEN
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IN THE HEART OF THE LIMBA TREE (TER
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3. Conclusions WOOD SCIENCE FOR CON
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2. Materials and methods WOOD SCIEN
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3. Chemometrics WOOD SCIENCE FOR CO
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3. Results and discussion WOOD SCIE
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NIR SPECTROSCOPIC MONITORING OF WAT
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NUMERICAL SIMULATION OF THE STRENGT
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3. Methods and models WOOD SCIENCE
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Page 213 and 214: SIMPLE ELECTRONIC SPECKLE PATTERN I
Page 217 and 218: 5. Conclusions WOOD SCIENCE FOR CON
Page 221 and 222: Average r adiated presure field (dB
Page 223 and 224: EXPERIMENTAL AND NUMERICAL MECHANIC
Page 229 and 230: EFFECT OF THERMAL TREATMENT ON STRU
Page 235 and 236: The aims of this work are to: WOOD
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Page 239 and 240: 4. Conclusions chrome yellow WOOD S
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Page 253: (D) CONSERVATION
Page 256 and 257: EUROPEAN TECHNICAL COMMITTEE 346 -
Page 264 and 265: THE WRECK OF VROUW MARIA - CURRENT
Page 270 and 271: ROMANIAN ARCHITECTURAL WOODEN CULTU
Page 276 and 277: RESSURREIÇÃO DE CRISTO - PANEL FR
Page 278 and 279: ON 18 TH- AND 19 TH- CENTURY SACRIS
Page 280 and 281: ON 18TH- AND 19TH- CENTURY SACRISTY
Page 286 and 287: DEFIBRING OF HISTORICAL ROOF BEAM C
Page 292 and 293: EXAMINATION AND CONSERVATION OF TWO
Page 294 and 295: EXAMINATION AND CONSERVATION OF TWO
Page 296 and 297: THE CONSEQUENCES OF WOODEN STRUCTUR
Page 298 and 299: CONSEQUENCES OF WOODEN STRUCTURES C
Page 301 and 302: WHAT ONE NEEDS TO KNOW FOR THE ASSE
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STRUCTURAL BEHAVIOUR OF TRADITIONAL
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INVESTIGATION ON THE UTILIZATION OF
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3. Results and discussions WOOD SCI
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Abadlia ......................... 3
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ANNEX 1: FACTS ABOUT COST ACTION IE
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Keynote presentations WOOD SCIENCE
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Finito di stampare presso Grafiche
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