You might try the Canadian Conservation Institute, 1030 Innes Road,
Ottawa, Ontario. K1A 0C8. voice (613) 998 3721 or fax (613) 998 4721.
They have a lot of experience in working with wood etc. They have an
internet address but I do not have it at hand.
Maurice D. Smith,
Curator,
Marine Museum of the Great Lakes at Kingston.