{"product_id":"1920-keuffel-esser-thatchers-calculating-instrument-model-4093-w-manual","title":"1920 Keuffel \u0026 Esser Thatcher's Calculating Instrument Model 4093 w\/ Manual","description":"\u003cp dir=\"ltr\" style=\"margin-top:0; margin-bottom:0;\"\u003eThe 1920 Keuffel \u0026amp; Esser Thatcher's Calculating Instrument Model 4093 is a vintage scientific calculator that is highly sought after by collectors. This rare piece comes with its original manual, adding to its value and authenticity. The instrument is a prime example of the precision and craftsmanship of early 20th-century scientific equipment, making it a prized addition to any collection of vintage science instruments.\u003c\/p\u003e","brand":"Gallery1880","offers":[{"title":"Default Title","offer_id":52749680771353,"sku":"158039815497","price":675.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/5817\/5769\/files\/1_5477b1b4-2a55-42b7-90e0-5a2e32b45107.jpg?v=1782788884","url":"https:\/\/gallery1880.com\/products\/1920-keuffel-esser-thatchers-calculating-instrument-model-4093-w-manual","provider":"Gallery1880","version":"1.0","type":"link"}