Truss
Adjustable truss hoop, Sabbathday Lake, ME
Description
Truss hoop, adjustable, consisting of two annual semi-circular disks of birch secured at one side by a forged strap hinge secured to the outer circumference of the two-piece disk with flat-head iron wood screws. The other joint has forged straps similarly affixed to the outside edge, but these straps have right andle bends at the joint with a square-headed bolt through one vertical and threaded into the tapped hole in the other.