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Vintage 1938 "The FAST" Wire & Motor Calculator manufactured by T. & T. Electric Manufacturing Co., Pasadena, California.Designed by Frank A. Short and copyrighted 1938, this is a fascinating aluminum rotary slide-rule style calculator used by electricians and electrical engineers for wire sizing, voltage drop, conduit sizing, fuse selection, and motor calculations based on the National Electrical Code. These are fairly uncommon and are sought after by collectors of vintage engineering tools and electrical memorabilia. Includes:
• Original aluminum multi-wheel calculator
• Original worn brown leather slip caseCondition:
• All rotating wheels move smoothly.
• Printing remains sharp and very readable.
• Aluminum body shows normal vintage wear.
• Original leather case is included but has significant edge wear, fraying, and separated stitching from age (see photos).
• Sold exactly as shown.Approximate measurements:
• Calculator: about 7" long x 3.75" wide
• See photos with tape measure for reference.A fantastic piece or Christmas/holiday gift for:
• Vintage electrician tool collections
• Slide rule & calculating instrument collectors
• Electrical engineering memorabilia
• Industrial decor
• Display or reference collectionPlease review all photos carefully as they are part of the description. Feel free to message me with any questions before purchasing.Smoke free pet friendly home
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