Check the listing for details. Keuffel & Esser Co Clinometer CAL Berkeley. Condition: Used. Listed at 34.99 USD. This Keuffel & Esser Co Clinometer is a must-have for anyone interested in surveying equipment, engineering, or science and medicine. Made in the United States, this collectible item is a high-quality measuring tool that is perfect for precise calculations and visualizations. Its unique design and historical significance make it a valuable addition to any collection. Whether you're a collector, engineer, or scientist, this clinometer is sure to impress. Its durable construction and innovative design make it a reliable tool for measuring angles and elevations with precision. Plus, its history and provenance add an extra layer of interest to any investigation. Don't miss your chance to own this piece of surveying history! This looks like it is etched with a name and Cal Berkeley, I don't know if this works, because I don't know how it works. If you have any questions please ask. I will do my best to answer them. Please see the photos to know exactly what you are bidding on. I am selling my father's military collection, so if that is your thing please see my other auctions. I am not an expert and I do my best to identify each item. I will combine shipping on items bought on the same day. Inventory location Rack 1 Shelf 3