The Vintage DIST-A-LINE SURVEYING PRISM & PLUMB BOB is a collectible piece of surveying equipment from the mid-1900s. This set includes a prism and plumb bob, both essential tools for precise measurements in surveying. The equipment is classic in design and comes with a protective case, making it a practical and visually appealing addition to any collection of vintage surveying tools or engineering memorabilia. This product offers a glimpse into the history and craftsmanship of surveying techniques in the past. A17