{"product_id":"c-1950s-keuffel-esser-k-e-proportional-divider-in-original-velvet-case-german-drafting-tool","title":"c.1950s Keuffel \u0026 Esser (K\u0026E) Proportional Divider in Original Velvet Case – German Drafting Tool","description":"\u003ch2 data-section-id=\"1phovsz\" data-start=\"144\" data-end=\"162\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"147\" data-end=\"162\"\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"164\" data-end=\"443\"\u003eA vintage Keuffel \u0026amp; Esser (K\u0026amp;E) proportional divider, housed in its original fitted case with deep blue velvet lining. Precision-machined and marked “Germany,” this instrument reflects the era when drafting tools were engineered with the same seriousness as scientific equipment.\u003c\/p\u003e\n\u003cp data-start=\"445\" data-end=\"725\"\u003eDesigned to enlarge or reduce drawings proportionally, the divider features a finely calibrated central slide with engraved scales for both circles and linear measurements. The mechanical action is smooth and deliberate, with needle-point tips that emphasize accuracy and control.\u003c\/p\u003e\n\u003cp data-start=\"727\" data-end=\"935\"\u003eK\u0026amp;E, founded in 1867, became one of the most respected names in drafting and engineering instruments, supplying tools to architects, engineers, and surveyors for decades. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"937\" data-end=\"1179\"\u003eBeyond function, the piece carries a refined industrial aesthetic clean lines, balanced weight, and subtle wear that speaks to real use. The velvet-lined case adds a presentation quality that makes it equally suited for display or collection.\u003c\/p\u003e\n\u003chr data-start=\"1181\" data-end=\"1184\"\u003e\n\u003ch2 data-section-id=\"1tmzw1z\" data-start=\"1186\" data-end=\"1200\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1189\" data-end=\"1200\"\u003eDetails\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1202\" data-end=\"1917\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1202\" data-end=\"1223\"\u003e\n\u003ctr data-start=\"1202\" data-end=\"1223\"\u003e\n\u003cth data-start=\"1202\" data-end=\"1212\" data-col-size=\"sm\" class=\"\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"1212\" data-end=\"1223\" data-col-size=\"md\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1244\" data-end=\"1917\"\u003e\n\u003ctr data-start=\"1244\" data-end=\"1285\"\u003e\n\u003ctd data-start=\"1244\" data-end=\"1256\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1246\" data-end=\"1255\"\u003eMaker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1256\" data-end=\"1285\"\u003eKeuffel \u0026amp; Esser Co. (K\u0026amp;E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1286\" data-end=\"1310\"\u003e\n\u003ctd data-start=\"1286\" data-end=\"1299\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1288\" data-end=\"1298\"\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1299\" data-end=\"1310\" data-col-size=\"md\"\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1311\" data-end=\"1380\"\u003e\n\u003ctd data-start=\"1311\" data-end=\"1321\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1313\" data-end=\"1320\"\u003eEra\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1321\" data-end=\"1380\" data-col-size=\"md\"\u003eMid-20th century (c.1940s–1960s typical for this style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1381\" data-end=\"1416\"\u003e\n\u003ctd data-start=\"1381\" data-end=\"1392\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1383\" data-end=\"1391\"\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1392\" data-end=\"1416\"\u003eProportional divider\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1417\" data-end=\"1474\"\u003e\n\u003ctd data-start=\"1417\" data-end=\"1432\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1419\" data-end=\"1431\"\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1432\" data-end=\"1474\" data-col-size=\"md\"\u003eSteel with engraved measurement scales\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1475\" data-end=\"1525\"\u003e\n\u003ctd data-start=\"1475\" data-end=\"1490\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1477\" data-end=\"1489\"\u003eMarkings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1490\" data-end=\"1525\"\u003e“Keuffel \u0026amp; Esser Co. \/ Germany”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1526\" data-end=\"1590\"\u003e\n\u003ctd data-start=\"1526\" data-end=\"1541\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1528\" data-end=\"1540\"\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1541\" data-end=\"1590\"\u003eEnlarging or reducing drawings proportionally\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1591\" data-end=\"1691\"\u003e\n\u003ctd data-start=\"1591\" data-end=\"1613\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1593\" data-end=\"1612\"\u003eDesign Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1613\" data-end=\"1691\"\u003eAdjustable central pivot, engraved ratio scales, dual-point precision tips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1692\" data-end=\"1752\"\u003e\n\u003ctd data-start=\"1692\" data-end=\"1703\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1694\" data-end=\"1702\"\u003eCase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1703\" data-end=\"1752\"\u003eOriginal black case with blue velvet interior\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1753\" data-end=\"1851\"\u003e\n\u003ctd data-start=\"1753\" data-end=\"1769\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1755\" data-end=\"1768\"\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1769\" data-end=\"1851\" data-col-size=\"md\"\u003eVintage condition with light surface wear; case intact with minor signs of age\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1852\" data-end=\"1917\"\u003e\n\u003ctd data-start=\"1852\" data-end=\"1863\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1854\" data-end=\"1862\"\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1863\" data-end=\"1917\"\u003eApprox. 8–10 inches (typical for this model range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Viridian Eclection","offers":[{"title":"Default Title","offer_id":43084131958889,"sku":null,"price":115.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0093\/9369\/files\/c.1950s_keuffel_esser_ke_proportional_divider_in_original_velvet_case_german_drafting_tool774045617367335160894406761.jpg?v=1775201057","url":"https:\/\/viridianeclection.com\/products\/c-1950s-keuffel-esser-k-e-proportional-divider-in-original-velvet-case-german-drafting-tool","provider":"Viridian Eclection","version":"1.0","type":"link"}