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PATINA - The Potomac Antique Tools and Industries Association, Inc.

Welcome to PATINA

May 17, 2015

Kaare Loftheim

Period Chair proportions, layout, and construction.

Kaare will bring an unassembled chair frame and discuss the joinery and techniques. Chair construction details to consider include whether to angle a rail tenon or the leg mortise, or when to have two tenons. Challenges arise when cutting two rail mortises into a front leg which can weaken the leg. A chair with angled legs and joined with off-angled stretchers even imposes assembly challenges. Kaare can cover some of these topics and pull it all together with a discussion on proportions.

Kaare Loftheim has worked in the Cabinetmakers Shop in Colonial Williamsburg since 1980, where he supervises the work.  His initial education was a major in biology and minor in chemistry.  He served several years in the early 70's with the U.S. Army in Germany, and then returned to his alma mater in Missouri where he earned a B.S. in industrial technology and art. In 1979 Kaare returned to Virginia where he was raised.  During his years with Colonial Williamsburg he has participated in most of the annual woodworking symposiums, and been a guest with Roy Underhill and Bob Vila.  He occasionally teaches privately and especially enjoys hands-on instruction with small groups.



Meeting Information

The Potomac Antique Tools and Industries Association, Inc. (PATINA) is an educational, tax-exempt organization for people who have an interest in the tools, crafts or manufacturing processes of the past.

Formed in 1977, PATINA is a regional tool club based in the Washington, D.C. area. We have members from 24 states, the District of Columbia and several foreign countries. Antique tool collectors, tool users and people simply seeking knowledge are well represented in PATINA's membership. The annual dues of $12.00 includes membership for the entire family and they are welcome to participate in all PATINA events. PATINA's original group of about 30 has grown to over 350.

Our mission is to promote and increase knowledge and understanding of the tools and trades practiced by our American ancestors. This purpose is partly served by the bimonthly newsletter PATINAGRAM which includes member-contributed articles and information of interest to our members. In addition, the PATINAGRAM provides regular announcements of upcoming meetings and auctions, reports on past meetings, reviews of relevant publications, and notices of other tool-related events. As an educational organization, PATINA is often invited to stage exhibits and demonstrations for local and national groups that express an interest in early tools and trades.


See PATINAGRAM Here - UPDATE March 8, 2015


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