B64-741. SET OF DRAFTING TRAMMEL POINTS. T. Alteneder & Sons. Besides the standard two trammel heads, one with fine vernier adjustment, it includes a third head with two rollers protruding from the sides. Also includes an ink line to replace the pencil lead holder, and a tube of pencil leads. German silver, complete and immaculate in its original plush lined case. Alteneder worked in Philadelphia in the late 1800s. From the collection of Cliff Sapienza. Condition: Fine, Estimate: 200-400