2007
AL#89 p.62      ALA1 p.26         
John Calkin                                                                                           

▪ Gunsmith Mark Chanlynn built Calkin a machine to precisely measure the deflection of a guitar top under a constant weight. There are no plans here, but it’s pretty obvious how it works, and just as obvious how it might help you make better guitars. With 3 photos.

This article has been nominated as one of the Guild’s best articles published before 2010.