G. CORADI AG ZURICH Antique 1968\'s PLANIMETER ENGINEERING MATHEMATICAL INSTRUMEN for Sale

G. CORADI AG ZURICH Antique 1968\'s PLANIMETER ENGINEERING MATHEMATICAL INSTRUMEN For Sale

$G. CORADI AG ZURICH Antique 1968\'s PLANIMETER ENGINEERING MATHEMATICAL INSTRUMEN$
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G. CORADI AG ZURICH Antique 1968\'s PLANIMETER ENGINEERING MATHEMATICAL INSTRUMEN:
$168.00

G. CORADI AG ZURICH Antique 1968\'s PLANIMETER ENGINEERING MATHEMATICAL INSTRUMENT IN BOX ORIGINAL RARE.Measure the area of a flat surface with irregular perimeter in a plane (scaled or not) Age: 1968 Manufacturer and model: G. Coradi AG Model Cora Senior Dimensions and Dimensions: 27.5 x 12 x 4.5 cm (storage box).Country and location of manufacture: Zurich (Switzerland) This item of engineering is in good condition.These were used by scientists, engineers and surveyors to sum (integrate) the area bounded by graphs or curves, maps, etc., and make similar other complex measurements from graphic media with very high precision - by purely mechanical means. Pre-electronic, pre-plastic era fine quality instrument of cast metal and stainless with glass reticle. Totally practical yet worthy of being displayed in a museum.Please be sure to enlarge and zoom each image for a close up view of the detail and decoration and the condition and do not hesitate to send me a message if you have questions or would like additional images. I always guarantee everything that I sell to be as described.International Buyers – Please Note: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer\'s responsibility. Please check with your country\'s customs office to determine what these additional costs will be prior to offerding/buying.