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Wood is an organic material made from plants that has a complex structure. It is anisotropic in nature. This means that it responds differently in different directions to the same stimulus. For example, when wood swells in response to higher relative humidity, it swells a different amount across the grain than with the grain. This is significant because this difference in response leads to cracking, splitting, and warping.

Wood Carving Statue
Wood is used in many ways and with a variety of methods. Some objects that include wood elements are buildings, furniture, toys, tools, paper, and vehicles.

Wood objects include:

  • frames
  • furniture
  • tools
  • clock cases
  • carvings

More Resources (pdf)
Caring for Frames
Caring for Furniture


Preservation Principles

Types of Material


Types of Objects
   Books / Bibles / Scrapbooks
   Works of Art
   Textiles / Clothing / Uniforms
   Tools / Mechanical / Instruments
   Dishes / Glassware / Silverware
   Native American Items
   Natural History Specimens

More Resources
   Preservation Documents  (pdfs)
   Glossary of Terms
   See what we've done

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