The Antique K&E Keuffel & Esser Co. 4236 Drafting Tool is a rare and valuable piece from the early 20th century. Manufactured by Keuffel & Esser Co., a renowned maker of precision drafting tools, this polar planimeter is a testament to the company's craftsmanship and engineering expertise. Perfect for collectors of antique drafting tools or enthusiasts of engineering history, this vintage tool provides a unique glimpse into the past and showcases the precision and quality of K&E's products.