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Conservation Methods
![Yoonjo Lee, senior conservator deputy at the Conservation Branch, Collection Management Facility, Naval History and Heritage Command, uses distilled water to clean the planks of a Vietnamese watercraft called a sampan. Yoonjo Lee, senior conservator deputy at the Conservation Branch, Collection Management Facility, Naval History and Heritage Command, uses distilled water to clean the planks of a Vietnamese watercraft called a sampan.](/content/history/nhhc/our-collections/conservation-branch/conservation-methods/_jcr_content/body/media_asset_882414624/image.img.jpg/1613165943262.jpg)
Senior Conservator, Yoonjo Lee, surface cleans a Vietnamese sampan for display in the Hampton Roads Naval Museum exhibit, “The Ten Thousand-Day War at Sea: The US Navy in Vietnam, 1950-1975.”
Assessment
![Two conservators examine a Japanese prayer towel. Two conservators examine a Japanese prayer towel.](/content/history/nhhc/our-collections/conservation-branch/conservation-methods/_jcr_content/body/media_asset/image.img.jpg/1613164947998.jpg)
Determining the construction and current condition of artifacts through examination.
Documentation
![Two conservators restoring a ship's flag. Two conservators restoring a ship's flag.](/content/history/nhhc/our-collections/conservation-branch/conservation-methods/_jcr_content/body/media_asset_1896625683/image.img.jpg/1613165913720.jpg)
Reports and photography/imaging to record the current condition and details of artifacts.
Analysis
![conservator at a microscope conservator at a microscope](/content/history/nhhc/our-collections/conservation-branch/conservation-methods/_jcr_content/body/media_asset_1144612520/image.img.jpg/1613165023486.jpg)
Various imaging, microchemical, spectroscopic, and chromatographic techniques to determine artifact composition.
Preventive Conservation
![device that monitors status of artifact for conservation device that monitors status of artifact for conservation](/content/history/nhhc/our-collections/conservation-branch/conservation-methods/_jcr_content/body/media_asset_21508683/image.img.jpg/1613165044876.jpg)
Proactive measures to maximize the preservation of entire collections, ranging from storage techniques to climate.
Treatment
![two conservators restoring the wheel of Brandywine two conservators restoring the wheel of Brandywine](/content/history/nhhc/our-collections/conservation-branch/conservation-methods/_jcr_content/body/media_asset_1444012225/image.img.jpg/1613165066642.jpg)
Interventive methods on individual artifacts to stabilize their condition and improve their aesthetic appearance.
Re-housing
![USS Taylor flag in a protective case USS Taylor flag in a protective case](/content/history/nhhc/our-collections/conservation-branch/conservation-methods/_jcr_content/body/media_asset_1410333285/image.img.jpg/1613165091633.jpg)
Providing a stable, archival environment for individual artifacts.
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