| Ultra-rare! Only one top of this two-piece insulator style was known until recently, when a second top was found at an estate sale in Franklin, MA. The estate belonged to a couple that seemed to be world travelers as well as collectors of a wide assortment of things. The couple purchased about a dozen boxes of "stuff," and there were insulators in one of the boxes. This particular insulator was the only high-value piece in a group of otherwise common insulators. There is some chipping of the outside "ring" on the base and a 1/2" flake on the skirt. The insulator was patented by Clinton Sproat and Edward N. Tarr of Taunton, Massachusetts on August 20, 1895. The basic design was that a base (see view 5), with a pair of two V-shaped parallel wire grooves, was tightened down with a spanner (wrench) that was fitted into the hole. The head or cup (top) was screwed down, also with a spanner, to clamp the wires tightly as in a "no-tie" style. It is interesti |