SCALE NO 414. LENTH OPEN 25.5CM. Movie around no hassle. This good moving condition.
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It falls under the category of scientific collectables and is designed for precise calculations.
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nice vintage item as photos Please browse my shop for other items, combined postage available
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15CM LONG WHEN CLOSED
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For Sale is one Otis King Model L cylindrical slide rule manufactured by Carbic Ltd of London circa early 1960s. End-of-box sticker states: "Otis King Calculator Model "L" No.
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Nice condition. In original box which is in quite reasonable condition.
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Look for Fuller's Spiral Cylindrical Slide Rule.
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The Keuffel & Esser 4012 Thacher Cylindrical Slide Rule Calculating Instrument is a vintage engineering tool originating from the United States. This cylindrical slide rule, designed by the renowned company Keuffel & Esser, offers a unique and precision method for solving complex calculations in engineering and mathematical applications. With its durable construction and intricate design, this slide rule is a valuable collectible for those interested in the history of engineering tools and mathematical instruments.
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