{"product_id":"1903-facile-hand-cranked-milk-and-cream-centrifuge-tester","title":"1903 Facile Hand-Cranked Milk and Cream Centrifuge Tester","description":"\u003cp\u003eAn exceptional early 1900s Facile hand-cranked centrifuge tester for milk and cream analysis. This cast-iron laboratory instrument features four cylindrical testing tubes with glass measurement tubes, mounted on a cast metal head with decorative flanged details. The maker's name \"Facile\" is clearly visible on the cast iron components, alongside manufacturing details stamped into the handle.\u003c\/p\u003e\u003cp\u003eThe device operates via hand-crank mechanism attached to a wooden support table, allowing operators to spin samples at speed to separate and measure butterfat content—an essential quality-control tool for dairy operations and milk processors in the early twentieth century. The engineering is robust and purposeful, with all cast-iron components showing authentic patina and wear consistent with period use.\u003c\/p\u003e\u003cp\u003eA scarce find for collectors of dairy history, scientific instruments, agricultural tools, or industrial Americana. The combination of working mechanism, cast-iron construction, and original maker's marks makes this a meaningful artifact of turn-of-the-century agricultural testing technology.\u003c\/p\u003e","brand":"KG Novelties","offers":[{"title":"Default Title","offer_id":56227108946242,"sku":"63654134","price":140.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0924\/5124\/2306\/files\/1000041212.jpg?v=1790880273","url":"https:\/\/kgnovelties.com\/products\/1903-facile-hand-cranked-milk-and-cream-centrifuge-tester","provider":"KG Novelties","version":"1.0","type":"link"}