Antique Drafting Tool Brass Proportional Divider Scientific Instrument 6 Inches

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Seller: nautical.instruments (388) 97.3%, Location: ROORKEE, UTTARAKHAND, Ships to: Worldwide, Item: 164032467338 DRAFTING TOOL PROPORTIONAL DIVIDER SCIENTIFIC INSTRUMENT Description:This detailed item measures approximately 6 inches Point To Point and 3/4 inch wide.Made of Solid Brass.Finish: Polished FinishWeight : 70 gmComes with Beautiful Leather cover. Among several functions, proportional dividers can be used to increase or decrease lengths of lines and diameters of circles, and can they be used to inscribe regular polygons within circles (dividing the circumference of a circle into equal parts). NOTE: No guarantee on the accuracy, as this depends on the person using the item. ( for example if you do not have short end set at exactly 1 in and the long end set at 3 in you will not have a 3 in to 1 in ratio.Fine piece of drafting equipment--very well made.This is a Reproduction Item, Not Sold As Antique. Condition: New Reproduction, Primary Material: Brass, Original/Reproduction: Antique Reproduction, Type: Divider, Size: 6 Inches

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