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This vintage Metric CALIPUTER is a rare find for collectors and enthusiasts alike. The tool includes a combination caliper, slide rule, and depth gauge, in the original packaging. The item was made in the United States and bears the brand name CALIPUTER.
This collectible is perfect for those who appreciate vintage tools or want to add a unique piece to their collection. The CALIPUTER is versatile and can be used for a variety of tasks. Don't miss out on the opportunity to own this piece of history.
It comes with two cases and two sets of instructions. All original. Everything is in excellent condition.
There is actually one in the Smithsonian.
This stainless steel instrument combines the functions of a slide rule, a vernier caliper, and a vernier depth gauge. The moveable calipers are along the top edge. Adjacent to them on one side is a scale four inches long, divided to fortieths of an inch and to sixty-fourths of an inch. Below this are a C scale (on the slide) and a D scale (on the base). The other side has, next to the caliper, is a scale a scale equally divided from 0 to 13. Measuring the diameter of a circular object with this scale, one can read off the circumference. The scale is labeled: CIRCUMFERENCE-INCHES. The slide on this side has scales labeled A and B that are visible through a window in the metal. The scale labeled A is marked: READ (/) CIRCULAR (/) AREAS. It is divided logarithmically and runs from 0 to 4. The scale labeled B is marked: SQUARE AND (/) SQUARE ROOTS. It is divided logarithmically and runs from 0 to 1.
The instrument is stored in a pocket-sized leather case with metal trim. For a folded sheet of instructions
