{"product_id":"antique-chinese-wooden-abacus-primitive-calculator-estimated-1900","title":"Antique Chinese Wooden Abacus - Primitive Calculator, Estimated 1900","description":"\u003cp\u003e\u003cspan\u003eHand-crafted hardwood frame joined with iron straps and bamboo rods, this early 20th-century Chinese suanpan features the uncommon 1-over-5 bead configuration (one “\u003c\/span\u003e\u003cspan\u003eheaven\" bead above \u003c\/span\u003e\u003cspan\u003ethe reckoning bar, five \u003c\/span\u003e\u003cspan\u003e\"earth\" beads below). The turned wooden beads slide smoothly and retain a warm honey patina; the frame shows honest wear, traces of old paint, and small losses that testify to long service in a merchant's shop. All parts are original, including the metal corner plates and repair strap visible on one side.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSound and sturdy with age-related surface marks, mild shrinkage cracks, and scattered finish loss; beads move freely. A distinctive decorative accent and fully functional teaching tool that illustrates pre-digital calculation and Chinese mathematical heritage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDimensions Approximately: 5.5\"L, 4.75*H\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBox S7\u003c\/span\u003e\u003c\/p\u003e","brand":"Big Whale Consignment","offers":[{"title":"Default Title","offer_id":49237641822398,"sku":"06302531","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/6760\/1086\/files\/BEC510A1-599F-4820-A858-F312A3F4D632.heic?v=1791322659","url":"https:\/\/bigwhaleconsignment.com\/products\/antique-chinese-wooden-abacus-primitive-calculator-estimated-1900","provider":"Big Whale Consignment","version":"1.0","type":"link"}