Physical description

Centrifuge, used to measure fat content in milk (see attachment), metal with metal cylindrical containers which adopt a horizontal position as you turn the handle. Cylinder hinged to four sets of twin spokes. Worm wheeled shaft attached to geared handle, pinned to base at 3 points. Thumbscrew at back to attach to a shelf or table. Embossed "OFFICIAL BABCOCK TESTER", "Made in USA" and "467x".