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Antique engineering/surveyors compass,dividers set in original case. Unfortunately the case is broken and won't close properly but you can see that it is old. The sets seems complete,
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Calculator, case and instructions in great condition!
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The Vintage Industrial Instruments Model 70D Ohms Decade Box Ordnance Corps is a highly collectible scientific instrument manufactured in the United States. This unique piece of history is a valuable addition to any collection of vintage science equipment or scientific instruments. Its origins with the Ordnance Corps add to its historical significance and appeal to collectors interested in the development and evolution of scientific instruments over time.
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Gramophone Co.
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Please see photos for details
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The badge is missing parts/ has scuff marks. There are two pins attached to the lanyard.
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Made from durable plastic, this slide rule is from the period of 1951 to present and was manufactured in the United Kingdom. It falls under the categories of collectables and scientific collectables, specifically in the field of engineering and surveying.
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