The knob is to lock the interior beam in place when not being used. Please see all photos to judge condition.
COMPLETE SET OF 13 BRASS WEIGHTS ORIGINALLY FROM THE DEPT. OF WEIGHTS AND MEASURES in NY. Box measures 4.74" x 3.25" x 1.5.The item "Antique Henry Troemner No 12 Scale with Complete Set of Weights" is in sale since Friday, August 10, 2018. This item is in the category "Antiques\Mercantile, Trades & Factories\Scales". The seller is "vargasryan" and is located in Southwick, Massachusetts. This item can be shipped to United States, Canada, Mexico.