This antique Architect's Trammels for Beam Compass is a rare find. Made of stainless steel in the United Kingdom during the period of 1800 to 1900, this set is likely made by Alteneder or Stanley. The set includes Drawing Tools/ Sets that are perfect for Engineering/Surveying tasks. The item has not been modified and comes in its original boxed packaging. This set is a great addition to any collector's Scientific Collectables, particularly those interested in Engineering & Surveying.