B65-707 LOT OF THREE SPIDER GAUGES. Triangular gauges with various arms to layout complex angles. One is user made, with a brass body (5" and 4" sides) and two arms, the body has elaborate engraving and the maker's initials. One by E. Preston & Sons, with an equilateral brass triangle and three arms. The third is marked "Patent Applied For" and is also marked by E.G. Watkins who may have been an owner, it is comprised of a steel equilateral triangle with a single arm that can be adjusted to different locations. All very clean. From the collection of Steve Dice. Fine 150-300