This is an original Keuffel & Esser K & E Apollo Bow Compass 55 2870, complete with its original box and instructions. The compass is 6 inches in diameter and is perfect for drafting and engineering use. It is a collectible item for science and medicine enthusiasts. The brand is well-known for its high-quality drafting tools, and this compass is no exception. Modified items are not necessary for its proper functioning.
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